Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1954__4_2_a0, author = {\'Ulehla, I.}, title = {O vz\'ajomnom vz\v{t}ahu hmotnosti a energie}, journal = {Mathematica slovaca}, pages = {45--54}, publisher = {mathdoc}, volume = {04}, number = {2}, year = {1954}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/MASLO_1954__4_2_a0/} }
Úlehla, I. O vzájomnom vzťahu hmotnosti a energie. Mathematica slovaca, Tome 04 (1954) no. 2, pp. 45-54. http://geodesic.mathdoc.fr/item/MASLO_1954__4_2_a0/