@article{04122419, title = {Kelvin principle for a class of singular equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {385-390}, doi = {10.1155/S016117128900044X}, zbl = {0685.35005}, language = {en}, url = {http://dml.mathdoc.fr/item/04122419} }
Altin, Abduhllah; Young, Eutiquio C. Kelvin principle for a class of singular equations.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 385-390. doi : 10.1155/S016117128900044X. http://gdmltest.u-ga.fr/item/04122419/