TY - JOUR AU - A. A. Tuzhilin TI - A theory of functional equations of Maljužinec. IV. Nonhomogeneous functional equations with periodic coefficients JO - Differencialʹnye uravneniâ PY - 1971 SP - 1276 EP - 1287 VL - 7 IS - 7 UR - http://geodesic.mathdoc.fr/item/DE_1971_7_7_a10/ LA - ru ID - DE_1971_7_7_a10 ER -