@article{AUPO_1994__33_1_a8,
     author = {Laitoch, Miroslav},
     title = {First phases of the associated equation with parameters for the differential equation $y''=q(t)y$},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {75--93},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1994},
     mrnumber = {1385748},
     zbl = {0852.34014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1994__33_1_a8/}
}