@article{PMFA_1989_34_4_a2,
     author = {Karas, Vladim{\'\i}r},
     title = {Pulsary a kvazary: podobnosti a rozd{\'\i}ly},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {212--233},
     year = {1989},
     volume = {34},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1989_34_4_a2/}
}