TY - JOUR AU - I. G. Tsar'kov TI - Continuous selections of set-valued mappings and approximation in asymmetric and semilinear spaces JO - Izvestiya. Mathematics PY - 2023 SP - 835 EP - 851 VL - 87 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2023_87_4_a6/ LA - en ID - IM2_2023_87_4_a6 ER -