@article{04065501, title = {On solvability of boundary value problem for elliptic equations with Bitsadze-Samarskij condition.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {11}, year = {1988}, pages = {101-114}, doi = {10.1155/S0161171288000158}, zbl = {0653.35023}, language = {en}, url = {http://dml.mathdoc.fr/item/04065501} }
Chabrowski, J.H. On solvability of boundary value problem for elliptic equations with Bitsadze-Samarskij condition.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 101-114. doi : 10.1155/S0161171288000158. http://gdmltest.u-ga.fr/item/04065501/