@article{120085,
author = {Stan\v ek, Svatoslav},
title = {On an application of the generalized Floquet theory to the transformation of the equation $y''= q(t) y$ into its associated equation},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {18},
year = {1979},
pages = {81-92},
zbl = {0491.34039},
mrnumber = {0589850},
language = {en},
url = {http://dml.mathdoc.fr/item/120085}
}
Staněk, Svatoslav. On an application of the generalized Floquet theory to the transformation of the equation $y''= q(t) y$ into its associated equation. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 18 (1979) pp. 81-92. http://gdmltest.u-ga.fr/item/120085/
Linear differential transformations of the second order, The English Universities Press, London 1971. (1971) | MR 0463539
Teopuя глoбaлъныx cвoйcmв oбыкнoвeнныx лuнeйныx дuффepeнцuaлъныx ypaвнeнuй вmopoгo nopядкa, Диффepeнциaльныe ypaвнeния, No 8, т. ХII, 1976, 1347-1383. (1976)
Phase and dispersion theory of the differential equation y" = q(t)y in connection with the generalized Floquet theory, Arch. Math. (Brno), XIV, 2, 1978, 109-122. (1978) | MR 0512750