TY - JOUR AU - T. N. Sysoeva TI - A singularly perturbed system of first-order partial differential equations JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1983 SP - 37 EP - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1983_1_a9/ LA - ru ID - VMUMM_1983_1_a9 ER -