TY - JOUR AU - S. F. Morozov AU - A. V. Semenov TI - Generalized curves and necessary conditions for a~discontinuous solution of a~three-dimensional variational problem JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2000 SP - 21 EP - 26 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2000_9_a3/ LA - ru ID - IVM_2000_9_a3 ER -