@article{120067,
author = {Stan\v ek, Svatoslav},
title = {On the structure of the second-order periodic linear differential equations with the same characteristic multipliers},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {17},
year = {1978},
pages = {53-60},
zbl = {0426.34008},
mrnumber = {0554036},
language = {en},
url = {http://dml.mathdoc.fr/item/120067}
}
Staněk, Svatoslav. On the structure of the second-order periodic linear differential equations with the same characteristic multipliers. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 17 (1978) pp. 53-60. http://gdmltest.u-ga.fr/item/120067/
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