@article{KUTGS_1978_10_a1,
     author = {B. L. Laptev},
     title = {On the {All-Union} conference on {non-Euclidean} geometry -- ``150 {Years} of {Lobachevsky's} {Geometry''} {(Kazan,} {30.VI} -- {2.VII} -- 1976)},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {6--17},
     publisher = {mathdoc},
     volume = {10},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1978_10_a1/}
}