@article{IVM_1996_9_a5,
     author = {N. E. Maryukova},
     title = {Surfaces of constant negative curvature in a {Galilean} space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {33--36},
     year = {1996},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1996_9_a5/}
}