TY - JOUR AU - I. A. Zelenskaya TI - A system of singularly perturbed equations with differential turning point of the 1st kind JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2015 SP - 63 EP - 74 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2015_3_a5/ LA - ru ID - IVM_2015_3_a5 ER -