@article{SM_1984_49_1_a3,
     author = {P. E. Markov},
     title = {Infinitesimal bendings of a~class of multidimensional surfaces with boundary},
     journal = {Sbornik. Mathematics},
     pages = {49--60},
     year = {1984},
     volume = {49},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_49_1_a3/}
}