@article{GDZPPN002549514, title = {The Minimum Value of a Definite Integral. II}, journal = {Aequationes mathematicae}, volume = {2}, year = {1969}, pages = {327-331}, zbl = {0176.01101}, url = {http://dml.mathdoc.fr/item/GDZPPN002549514} }
MORDELL, L. J. The Minimum Value of a Definite Integral. II. Aequationes mathematicae, Tome 2 (1969) pp. 327-331. http://gdmltest.u-ga.fr/item/GDZPPN002549514/