@article{PMFA_1968__13_2_a0,
     author = {Mi\v{s}o\v{n}, Karel and P{\'\i}rko, Zden\v{e}k},
     title = {Hmotov\'a optimalizace slo\v{z}en\'ych raket},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {69--83},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1968},
     zbl = {0157.55802},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1968__13_2_a0/}
}