TY - JOUR AU - A. B. Vasil'eva AU - V. F. Butuzov AU - N. N. Nefedov TI - Singularly perturbed problems with boundary and internal layers JO - Informatics and Automation PY - 2010 SP - 268 EP - 283 VL - 268 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2010_268_a17/ LA - ru ID - TRSPY_2010_268_a17 ER -