TY - JOUR AU - S. Ya. Serovaǐskiǐ TI - An approximate solution of an optimal control problem for a singular equation of elliptic type with a nonsmooth nonlinearity JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2004 SP - 80 EP - 86 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2004_1_a9/ LA - ru ID - IVM_2004_1_a9 ER -