@article{bwmeta1.element.desklight-3418706a-1f73-49d1-98c0-91d4cf4021e5,
author = {Jan Bochenek},
title = {Nodes of eigenfunctions of a certain class of ordinary differential equations of the fourth order},
journal = {Annales Polonici Mathematici},
volume = {30},
year = {1975},
pages = {349-356},
zbl = {0316.34020},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-3418706a-1f73-49d1-98c0-91d4cf4021e5}
}
Jan Bochenek. Nodes of eigenfunctions of a certain class of ordinary differential equations of the fourth order. Annales Polonici Mathematici, Tome 30 (1975) pp. 349-356. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-3418706a-1f73-49d1-98c0-91d4cf4021e5/