@article{120097, author = {Stan\v ek, Svatoslav}, title = {On limit properties of phases and of central dispersions in the oscillatory equation $y'' = q(t) y$ with a periodic coefficient}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {20}, year = {1981}, pages = {85-92}, zbl = {0498.34017}, mrnumber = {0645891}, language = {en}, url = {http://dml.mathdoc.fr/item/120097} }
Staněk, Svatoslav. On limit properties of phases and of central dispersions in the oscillatory equation $y'' = q(t) y$ with a periodic coefficient. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 20 (1981) pp. 85-92. http://gdmltest.u-ga.fr/item/120097/
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