A continuous and a discrete variant of Wirtinger's inequality.
Alzer, Horst
Mathematica Pannonica, Tome 3 (1992), p. 83-89 / Harvested from The Electronic Library of Mathematics
Full (PDF)
Publié le : 1992-01-01
EUDML-ID : urn:eudml:doc:228254 
@article{00065123,
     title = {A continuous and a discrete variant of Wirtinger's inequality.},
     journal = {Mathematica Pannonica},
     volume = {3},
     year = {1992},
     pages = {83-89},
     zbl = {0749.26011},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00065123}
}

Alzer, Horst. A continuous and a discrete variant of Wirtinger's inequality.. Mathematica Pannonica, Tome 3 (1992) pp. 83-89. http://gdmltest.u-ga.fr/item/00065123/