TY - JOUR AU - E. A. Volkov AU - A. K. Kornoukhov TI - An approximate conformal mapping of a trapezoid onto a rectangle and its inversion obtained by the block method JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1999 SP - 1142 EP - 1150 VL - 39 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1999_39_7_a8/ LA - ru ID - ZVMMF_1999_39_7_a8 ER -