Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1959__4_5_a5, author = {Skotnick\'y, Josef}, title = {Dr\'ahy kozmickej rakety}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {571--582}, publisher = {mathdoc}, volume = {04}, number = {5}, year = {1959}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/PMFA_1959__4_5_a5/} }
Skotnický, Josef. Dráhy kozmickej rakety. Pokroky matematiky, fyziky a astronomie, Tome 04 (1959) no. 5, pp. 571-582. http://geodesic.mathdoc.fr/item/PMFA_1959__4_5_a5/