@article{PMFA_1956__1_1_a11,
     author = {Ljapunov, A. A. and Kulagin, O. S.},
     title = {Elektronick\'e p\v{r}ekl\'ad\'an{\'\i}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {81--84},
     publisher = {mathdoc},
     volume = {01},
     number = {1},
     year = {1956},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1956__1_1_a11/}
}