TY - JOUR AU - T. V. Zhukovskaya AU - O. V. Filippova AU - A. I. Shindyapin TI - On the extension of Chaplygin's theorem to the differential equations of neutral type JO - Vestnik rossijskih universitetov. Matematika PY - 2019 SP - 272 EP - 280 VL - 24 IS - 127 UR - http://geodesic.mathdoc.fr/item/VTAMU_2019_24_127_a2/ LA - ru ID - VTAMU_2019_24_127_a2 ER -