@article{BUMI_1953_3_8_2_115_0, author = {G. Ascoli}, title = {Sul comportamento asintotico delle soluzioni dell'equazione $y''-(1+\eta)y=0$.}, journal = {Bollettino dell'Unione Matematica Italiana}, volume = {8}, year = {1953}, pages = {115-123}, zbl = {0050.31202}, mrnumber = {56778}, language = {it}, url = {http://dml.mathdoc.fr/item/BUMI_1953_3_8_2_115_0} }
Ascoli, G. Sul comportamento asintotico delle soluzioni dell'equazione $y''-(1+\eta)y=0$.. Bollettino dell'Unione Matematica Italiana, Tome 8 (1953) pp. 115-123. http://gdmltest.u-ga.fr/item/BUMI_1953_3_8_2_115_0/
[1] On the asymptotic behavior of solutions of u"-(1+f(t))u = 0, «Annali di Mat.», (4), 31 (1950), 83-91. | MR 42579 | Zbl 0040.19403
,[2] Unrestricted solutions fields of almost separable differential equations«Trans. Amer. Math. Soc.», 63 (1948), 560-580. | MR 25052 | Zbl 0031.39801
,[3] The asymptotic nature of solutions of linear systems of differential equations, «Duke Math. Journ.», 15 (1948), 111-120. | MR 24538 | Zbl 0040.19402
,[4] Über lineare Differentialgleichungen bei denen die abhängige Variabel reel ist, «Journ. f. reine u. ang. Math.», 142 (1913), 254-270. | JFM 44.0370.01
,[5] Asymptotic integrations of the adiabatic oscillator in its hyperbolic range «Duke Math. Journ.» (1948) p.60. | MR 24537 | Zbl 0034.35501
,