@article{AUPO_1971__11_1_a10,
     author = {Tr\'avn{\'\i}\v{c}ek, Stanislav and Zaoral, Jaroslav},
     title = {Transformation der {L\"osungen} der {Systeme} von vier linearen {Differentialgleichungen} 1. {Ordnung}},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {119--129},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1971},
     mrnumber = {0320412},
     zbl = {0284.34010},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1971__11_1_a10/}
}