TY - JOUR AU - M. I. Sumin TI - Suboptimal Control of a Semilinear Elliptic Equation with a Phase Constraint and a Boundary Control JO - Differencialʹnye uravneniâ PY - 2001 SP - 260 EP - 275 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_2_a14/ LA - ru ID - DE_2001_37_2_a14 ER -