TY - JOUR AU - Yu. T. Lisitsa TI - Extension of sequences of mappings that approximate a given compactum JO - Doklady Akademii Nauk PY - 1973 SP - 806 EP - 809 VL - 212 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_212_4_a6/ LA - ru ID - DAN_1973_212_4_a6 ER -