TY - JOUR AU - A. A. Dezin TI - Spline-forms, difference equations, approximation JO - Differencialʹnye uravneniâ PY - 1988 SP - 32 EP - 43 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_1_a4/ LA - ru ID - DE_1988_24_1_a4 ER -