TY - JOUR AU - V. G. Skatetsky TI - A certain theorem of B.\,P.~Demidovi{\v{c}} JO - Differencialʹnye uravneniâ PY - 1975 SP - 835 EP - 840 VL - 11 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_5_a6/ LA - ru ID - DE_1975_11_5_a6 ER -