@article{05231653, title = {Transformation groups on real plane and their differential invariants.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/17410}, zbl = {1142.34021}, language = {en}, url = {http://dml.mathdoc.fr/item/05231653} }
Nesterenko, Maryna O. Transformation groups on real plane and their differential invariants.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/17410. http://gdmltest.u-ga.fr/item/05231653/