@article{1102985559, author = {Calvert, James}, title = {Integral inequalities involving second order derivatives.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 39-47}, language = {en}, url = {http://dml.mathdoc.fr/item/1102985559} }
Calvert, James. Integral inequalities involving second order derivatives.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 39-47. http://gdmltest.u-ga.fr/item/1102985559/