Some conditions for the existence of two periodic integrals of the homogeneous linear differential equation of the seoond order
Underwood. F.
Mathematische Zeitschrift, Tome 37 (1933), p. 195-201 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1933-01-01
EUDML-ID : urn:eudml:doc:168396 
@article{GDZPPN00237398X,
     title = {Some conditions for the existence of two periodic integrals of the homogeneous linear differential equation of the seoond order},
     journal = {Mathematische Zeitschrift},
     volume = {37},
     year = {1933},
     pages = {195-201},
     zbl = {58.0457.01},
     url = {http://dml.mathdoc.fr/item/GDZPPN00237398X}
}

Underwood. F. Some conditions for the existence of two periodic integrals of the homogeneous linear differential equation of the seoond order. Mathematische Zeitschrift, Tome 37 (1933) pp. 195-201. http://gdmltest.u-ga.fr/item/GDZPPN00237398X/