@article{MZM_1988_44_3_a1,
     author = {L. A. Bagirov},
     title = {Smoothness of weak solutions of boundary-value problems for equations of {Chaplygin} type},
     journal = {Matemati\v{c}eskie zametki},
     pages = {298--308},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a1/}
}