TY - JOUR AU - Lucja Grzegórska TI - A characterization of the Poisson distribution in discrete models with perturbation JO - Mathematica Applicanda PY - 1977 SP - 55 EP - 64 VL - 5 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v5i10.1255/ DO - 10.14708/ma.v5i10.1255 LA - pl ID - 10_14708_ma_v5i10_1255 ER -