@article{1183523413, author = {Lax, Peter D.}, title = {The scope of the energy method}, journal = {Bull. Amer. Math. Soc.}, volume = {66}, number = {6}, year = {1960}, pages = { 32-35}, language = {en}, url = {http://dml.mathdoc.fr/item/1183523413} }
Lax, Peter D. The scope of the energy method. Bull. Amer. Math. Soc., Tome 66 (1960) no. 6, pp. 32-35. http://gdmltest.u-ga.fr/item/1183523413/