@article{IVM_1961_2_a7,
     author = {V. F. Krotov},
     title = {On discontinuous solutions in variational problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {75--89},
     publisher = {mathdoc},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1961_2_a7/}
}