Author: Rotkiewicz, A.

Rotkiewicz, A.: On pseudoprimes having special forms and a solution of K. Szymiczek’s problem. (English). Acta Mathematica Universitatis Ostraviensis, vol. 13 (2005), issue 1, pp. 57-71
Rotkiewicz, A.: On Lucas pseudoprimes of the form $ax^2+bxy+cy^2$ in arithmetic progression $AX+B$ with a prescribed value of the Jacobi symbol. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 10 (2002), issue 1, pp. 103-109