TY - JOUR AU - Yu. A. Dubinskii TI - On the best extension of a periodic function and on the corresponding boundary value problem JO - Differencialʹnye uravneniâ PY - 1997 SP - 1382 EP - 1393 VL - 33 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1997_33_10_a11/ LA - ru ID - DE_1997_33_10_a11 ER -