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@article{TRSPY_1980_152_a4, author = {I. S. Gutsul}, title = {Compact three-dimensional manifolds of constant negative curvature}, journal = {Informatics and Automation}, pages = {89--96}, publisher = {mathdoc}, volume = {152}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1980_152_a4/} }
I. S. Gutsul. Compact three-dimensional manifolds of constant negative curvature. Informatics and Automation, Geometry of positive quadratic forms, Tome 152 (1980), pp. 89-96. http://geodesic.mathdoc.fr/item/TRSPY_1980_152_a4/