TY - JOUR AU - Marcin ChoiƄski TI - A Neimark-Sacker bifurcation in a discrete SIS model JO - Mathematica Applicanda PY - 2023 SP - 109 EP - 120 VL - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v51i1.7203/ DO - 10.14708/ma.v51i1.7203 LA - pl ID - 10_14708_ma_v51i1_7203 ER -