Uniqueness of minimal projections in smooth matrix spaces L Skrzypek Journal of Approximation Theory 107 (2), 315-336, 2000 | 31 | 2000 |

Chalmers–Metcalf operator and uniqueness of minimal projections G Lewicki, L Skrzypek Journal of Approximation Theory 148 (1), 71-91, 2007 | 25 | 2007 |

Minimal projections in spaces of functions of N variables L Skrzypek Journal of Approximation Theory 123 (2), 214-231, 2003 | 19 | 2003 |

Uniqueness of minimal projections onto two-dimensional subspaces B Shekhtman, L Skrzypek Studia Mathematica 168, 273-284, 2005 | 15 | 2005 |

Norming points and unique minimality of orthogonal projections B Shekhtman, L Skrzypek Abstract and Applied Analysis 2006, 2006 | 11 | 2006 |

On maximal relative projection constants S Foucart, L Skrzypek Journal of Mathematical Analysis and Applications 447 (1), 309-328, 2017 | 10 | 2017 |

The uniqueness of norm-one projection in James-type spaces L Skrzypek Journal of approximation theory 100 (1), 73-93, 1999 | 9 | 1999 |

On the properties of Chalmers-Metcalf operator G Lewicki, L Skrzypek Banach Spaces and their Applications in Analysis, de Gruyter, 375-390, 2011 | 8 | 2011 |

On the 𝐿_ {𝑝} norm of the Rademacher projection and related inequalities L Skrzypek Proceedings of the American Mathematical Society 137 (8), 2661-2669, 2009 | 4 | 2009 |

On the uniqueness of norm-one projection in James-type spaces generated by lattice norms L Skrzypek East journal on approximations 6 (1), 21-52, 2000 | 4 | 2000 |

Minimal projections onto hyperplanes in ℓpn G Lewicki, L Skrzypek Journal of Approximation Theory 202, 42-63, 2016 | 3 | 2016 |

On the uniqueness of the Fourier projection in L_{p} spaces.B Shekhtrnan, L Skrzypek Journal of Concrete & Applicable Mathematics 8 (3), 2010 | 3 | 2010 |

On the non-uniqueness of minimal projection in Lp spaces B Shekhtman, L Skrzypek Journal of Approximation Theory 161 (1), 23-34, 2009 | 3 | 2009 |

College algebra and trigonometry JS Ratti Macmillan pub., 2017 | 2 | 2017 |

Precalculus: A unit circle approach JS Ratti, MM McWaters, L Skrzypek Pearson, 2009 | 2 | 2009 |

College Algebra JS Ratti, MS McWaters Pearson Higher Ed, 2014 | 1 | 2014 |

Chalmers–Metcalf Operator and Uniqueness of Minimal Projections in ln∞ and ln1Spaces L Skrzypek Approximation Theory XIII: San Antonio 2010 13, 331, 2011 | 1 | 2011 |

On the norms and minimal properties of de la Vallée Poussin’s type operators B Deregowska, S Foucart, B Lewandowska, L Skrzypek Monatshefte für Mathematik 185 (4), 601-619, 2018 | | 2018 |

On a Characterization of Hilbert Spaces through Minimality of Orthogonal Projections and Related Topics. B Shekhtman, L Skrzypek Journal of Concrete & Applicable Mathematics 13, 2015 | | 2015 |

Minimal Versus Orthogonal Projections onto Hyperplanes in and ℓ∞n B Shekhtman, L Skrzypek Approximation Theory XIV: San Antonio 2013, 343-349, 2014 | | 2014 |