TY - JOUR AU - Rotkiewicz, A. TI - On pseudoprimes having special forms and a solution of K. Szymiczek’s problem JO - Communications in Mathematics PY - 2005 SP - 57 EP - 71 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2005__13_1_a6/ LA - en ID - COMIM_2005__13_1_a6 ER -