@article{AUPO_1979__18_1_a7,
     author = {Stan\v{e}k, Svatoslav},
     title = {On the dispersion structure of the differential equation y"=q(t)y having in the generalized {Floquet} theory the same characteristic multipliers},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {73--79},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1979},
     mrnumber = {0589849},
     zbl = {0442.34007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1979__18_1_a7/}
}