Basel Problem – Preliminaries
Korniłowicz, Artur, Pąk, Karol
Laplace Expansion
Pak, Karol, Trybulec, Andrzej
Basel Problem
Pąk, Karol, Korniłowicz, Artur
The Catalan Numbers. Part II1
Pąk, Karol
Flexary Operations
Pąk, Karol
Diophantine Sets. Part II
Pąk, Karol
Tietze Extension Theorem for n-dimensional Spaces
Pąk, Karol
Elementary Number Theory Problems. Part XV – Diophantine Equations
Pąk, Karol, Korniłowicz, Artur
Jordan Matrix Decomposition
Pąk, Karol
Brouwer Invariance of Domain Theorem
Pąk, Karol
Inverse Element for Surreal Number
Pąk, Karol
Eigenvalues of a Linear Transformation
Pąk, Karol