@article{TRSPY_1989_186_a32,
     author = {A. G. Tsypkin},
     title = {On the energy-momentum tensor of matter in special relativity theory},
     journal = {Informatics and Automation},
     pages = {227--232},
     publisher = {mathdoc},
     volume = {186},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1989_186_a32/}
}