TY - JOUR AU - A. A. Boichuk AU - A. A. Pokutnyi AU - V. F. Chistyakov TI - Application of perturbation theory to the solvability analysis of differential algebraic equations JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2013 SP - 958 EP - 969 VL - 53 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2013_53_6_a9/ LA - ru ID - ZVMMF_2013_53_6_a9 ER -