TY - JOUR AU - G. I. Shishkin TI - Approximation of the solutions and diffusion flows of singularly perturbed boundary-value problems with discontinuous initial conditions JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1996 SP - 83 EP - 104 VL - 36 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1996_36_9_a8/ LA - ru ID - ZVMMF_1996_36_9_a8 ER -