TY - JOUR AU - G. I. Shishkin TI - Increasing the accuracy of approximate solutions by residual correction for singularly perturbed equations with convective terms JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1999 SP - 81 EP - 93 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1999_5_a8/ LA - ru ID - IVM_1999_5_a8 ER -