TY - JOUR AU - A. P. Kashin AU - T. M. Kvaratskheliya AU - M. Z. Maksimov AU - Z. E. Chikovani TI - Higher approximations of~the reduced method of~matched asymptotic expansions and its convergence JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1989 SP - 392 EP - 399 VL - 78 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1989_78_3_a7/ LA - ru ID - TMF_1989_78_3_a7 ER -