Geodesic
Some class of surfaces of negative curvature with singularities on lines
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 1 (1985), pp. 50-52 
È. R. Rozendorn. Some class of surfaces of negative curvature with singularities on lines. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 1 (1985), pp. 50-52. http://geodesic.mathdoc.fr/item/VMUMM_1985_1_a10/
@article{VMUMM_1985_1_a10,
     author = {\`E. R. Rozendorn},
     title = {Some class of surfaces of negative curvature with singularities on lines},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {50--52},
     year = {1985},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_1_a10/}
}
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EP  - 52
IS  - 1
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%D 1985
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%F VMUMM_1985_1_a10

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