@article{MZM_1975_18_1_a14,
     author = {V. V. Kazak},
     title = {Study of generalized translation conditions for a~class of surfaces of positive curvature},
     journal = {Matemati\v{c}eskie zametki},
     pages = {115--121},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1975_18_1_a14/}
}