@article{01208011, title = {Sufficient conditions for the extendibility of an }, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {39}, year = {1998}, pages = {367-378}, zbl = {0916.52005}, language = {en}, url = {http://dml.mathdoc.fr/item/01208011} }
Alexandrov, Victor. Sufficient conditions for the extendibility of an . Beiträge zur Algebra und Geometrie, Tome 39 (1998) pp. 367-378. http://gdmltest.u-ga.fr/item/01208011/