TY - JOUR AU - V. M. Dziomko TI - Extraction with the participation of three chelatoformers JO - Doklady Akademii Nauk PY - 1960 SP - 1091 EP - 1093 VL - 134 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_134_5_a25/ LA - ru ID - DAN_1960_134_5_a25 ER -