Quadratic phases of differential equations $y''=q(t)y$
Archivum mathematicum, Tome 08 (1972) no. 2, pp. 63-78
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@article{ARM_1972__8_2_a0,
author = {Barv{\'\i}nek, Erich},
title = {Quadratic phases of differential equations $y''=q(t)y$},
journal = {Archivum mathematicum},
pages = {63--78},
publisher = {mathdoc},
volume = {08},
number = {2},
year = {1972},
mrnumber = {0326037},
zbl = {0283.34011},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ARM_1972__8_2_a0/}
}
Barvínek, Erich. Quadratic phases of differential equations $y''=q(t)y$. Archivum mathematicum, Tome 08 (1972) no. 2, pp. 63-78. http://geodesic.mathdoc.fr/item/ARM_1972__8_2_a0/