TY - JOUR AU - M. V. Shamolin TI - Integrability of some classes of dynamic systems in terms of elementary functions JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2008 SP - 43 EP - 49 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2008_3_a9/ LA - ru ID - VMUMM_2008_3_a9 ER -