@article{DAN_1975_222_1_a7,
     author = {R. I. Pimenov},
     title = {On the foundations of the theory of differentiable space-time},
     journal = {Doklady Akademii Nauk},
     pages = {36--38},
     publisher = {mathdoc},
     volume = {222},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_1_a7/}
}