@article{01527065, title = {Extension techniques in }, journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]}, volume = {2000}, year = {2000}, pages = {23-35}, zbl = {1035.81032}, language = {en}, url = {http://dml.mathdoc.fr/item/01527065} }
Conti, Roberto; D'Antoni, Claudio. Extension techniques in . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2000 (2000) pp. 23-35. http://gdmltest.u-ga.fr/item/01527065/