TY - JOUR AU - V. T. Shevaldin TI - Some problems of extremal interpolation in the mean JO - Doklady Akademii Nauk PY - 1982 SP - 803 EP - 805 VL - 267 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_267_4_a9/ LA - ru ID - DAN_1982_267_4_a9 ER -