TY - JOUR AU - O. A. Liskovets TI - External approximations for the regularization of monotone JO - Doklady Akademii Nauk PY - 1987 SP - 21 EP - 25 VL - 296 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a3/ LA - ru ID - DAN_1987_296_1_a3 ER -