@article{IVM_1970_11_a9,
     author = {S. F. Morozov},
     title = {The differential properties of the generalized solutions of two-dimensional variational problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {87--96},
     publisher = {mathdoc},
     number = {11},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_11_a9/}
}