@article{IVM_1969_2_a5, author = {S. F. Morozov and V. V. Petrov}, title = {A~certain $n$-dimensional nonregular problem of the calculus of variations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {54--62}, publisher = {mathdoc}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_2_a5/} }