Sur l'équation différentielle u'' + a(t)u = 0
Opial, Z.
Annales Polonici Mathematici, Tome 4 (1958), p. 77-93 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1958-01-01
EUDML-ID : urn:eudml:doc:208309 
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     author = {Opial, Z.},
     title = {Sur l'\'equation diff\'erentielle u'' + a(t)u = 0},
     journal = {Annales Polonici Mathematici},
     volume = {4},
     year = {1958},
     pages = {77-93},
     zbl = {0083.31005},
     language = {fra},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-apmv5i1p77bwm}
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Opial, Z. Sur l'équation différentielle u'' + a(t)u = 0. Annales Polonici Mathematici, Tome 4 (1958) pp. 77-93. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-apmv5i1p77bwm/