@article{120084, author = {Stan\v ek, 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}, volume = {18}, year = {1979}, pages = {73-79}, zbl = {0442.34007}, mrnumber = {0589849}, language = {en}, url = {http://dml.mathdoc.fr/item/120084} }
Staněk, Svatoslav. On the dispersion structure of the differential equation y"=q(t)y having in the generalized Floquet theory the same characteristic multipliers. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 18 (1979) pp. 73-79. http://gdmltest.u-ga.fr/item/120084/
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