TY - JOUR AU - N. A. Strelkov TI - Optimal coordinate functions in projection-difference methods, JO - Doklady Akademii Nauk PY - 1989 SP - 550 EP - 554 VL - 309 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_309_3_a7/ LA - ru ID - DAN_1989_309_3_a7 ER -