TY - JOUR AU - D. V. Kruchinin TI - Properties of coefficients in some superpositions of generating functions JO - Prikladnaâ diskretnaâ matematika PY - 2012 SP - 55 EP - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2012_1_a3/ LA - ru ID - PDM_2012_1_a3 ER -