TY - JOUR AU - E. A. Derkunova TI - On some singular perturbed system of three equations in partial derivatives of the first order JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2012 SP - 153 EP - 156 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2012_7_a22/ LA - ru ID - VYURM_2012_7_a22 ER -