Perturbation of Ordinary Differential Operators.
Balslev, Erik
Mathematica Scandinavica, Tome 11 (1962), p. 131-148 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1962-01-01
EUDML-ID : urn:eudml:doc:165821 
@article{GDZPPN002347059,
     title = {Perturbation of Ordinary Differential Operators.},
     journal = {Mathematica Scandinavica},
     volume = {11},
     year = {1962},
     pages = {131-148},
     zbl = {0196.44501},
     url = {http://dml.mathdoc.fr/item/GDZPPN002347059}
}

Balslev, Erik. Perturbation of Ordinary Differential Operators.. Mathematica Scandinavica, Tome 11 (1962) pp. 131-148. http://gdmltest.u-ga.fr/item/GDZPPN002347059/