TY - JOUR AU - N. P. Erugin AU - M. G. Gasymov AU - Ya. D. Mamedov AU - Yu. A. Mamedov TI - Med{\v z}id Ljatifovi{\v{c}} Rasulov (on the occasion of his sixtieth birthday) JO - Differencialʹnye uravneniâ PY - 1976 SP - 1332 EP - 1337 VL - 12 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_7_a26/ LA - ru ID - DE_1976_12_7_a26 ER -