@article{05311272, title = {Heat conduction in lenses.}, journal = {Mathematical Problems in Engineering}, volume = {2007}, year = {2007}, doi = {10.1155/2007/57360}, zbl = {1154.80001}, language = {en}, url = {http://dml.mathdoc.fr/item/05311272} }
Aebischer, Beat. Heat conduction in lenses.. Mathematical Problems in Engineering, Tome 2007 (2007) . doi : 10.1155/2007/57360. http://gdmltest.u-ga.fr/item/05311272/