@article{AUPO_1986__25_1_a4,
     author = {Laitochov\'a, Jitka},
     title = {On transformations of two homogeneous linear second order differential equations of a general and of {Sturm} forms},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {77--95},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1986},
     mrnumber = {918370},
     zbl = {0643.34048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1986__25_1_a4/}
}