@article{IVM_1969_9_a8,
     author = {S. F. Morozov},
     title = {Discontinuous solutions of two-dimensional problems of the calculus of variations in nonparametric form},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {56--64},
     publisher = {mathdoc},
     number = {9},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1969_9_a8/}
}