@article{PMFA_1956_1_3_a2,
     author = {Kub{\'\i}k, Stanislav},
     title = {P\v{r}ibli\v{z}n\'e \v{r}e\v{s}en{\'\i} neline\'arn{\'\i} diferenci\'aln{\'\i} rovnice typu $f(x)\frac{d^2x}{dt^2}+g(x)\frac{dx}{dt}+h(x)=\varPhi(t)$},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {234--241},
     year = {1956},
     volume = {1},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1956_1_3_a2/}
}