@article{IVM_1959_3_a16,
     author = {\"U. G. Lumiste},
     title = {On three-dimensional surfaces with three orthogonal families of asymptotics},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {173--185},
     year = {1959},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1959_3_a16/}
}