@article{1183505431, author = {Youngs, J. W. T.}, title = {The additivity of the Lebesgue area}, journal = {Bull. Amer. Math. Soc.}, volume = {49}, number = {12}, year = {1943}, pages = { 779-784}, language = {en}, url = {http://dml.mathdoc.fr/item/1183505431} }
Youngs, J. W. T. The additivity of the Lebesgue area. Bull. Amer. Math. Soc., Tome 49 (1943) no. 12, pp. 779-784. http://gdmltest.u-ga.fr/item/1183505431/