Author: Usami, Hiroyuki

Kamo, Ken-ichi; Usami, Hiroyuki: Positive unbounded solutions of second order quasilinear ordinary differential equations and their application to elliptic problems. (English). Czechoslovak Mathematical Journal, vol. 58 (2008), issue 4, pp. 1153-1165
Kusahara, Toshiaki; Usami, Hiroyuki: A barrier method for quasilinear ordinary differential equations of the curvature type. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 1, pp. 185-196

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