@article{GDZPPN001163566, title = {On the Kantorovich Inequality.}, journal = {Numerische Mathematik}, volume = {2}, year = {1960}, pages = {344-346}, zbl = {0095.25001}, url = {http://dml.mathdoc.fr/item/GDZPPN001163566} }
SCHOPF, A.H. On the Kantorovich Inequality.. Numerische Mathematik, Tome 2 (1960) pp. 344-346. http://gdmltest.u-ga.fr/item/GDZPPN001163566/