TY - JOUR AU - A. Yu. Popov TI - Extremal problems in the~theory of analytic continuation JO - Sbornik. Mathematics PY - 1999 SP - 737 EP - 761 VL - 190 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1999_190_5_a3/ LA - en ID - SM_1999_190_5_a3 ER -