TY - JOUR AU - A. V. Lipnitskii TI - Millionshchikov's Solution of Erugin's Problem JO - Differencialʹnye uravneniâ PY - 2000 SP - 1615 EP - 1620 VL - 36 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2000_36_12_a3/ LA - ru ID - DE_2000_36_12_a3 ER -