@article{05029481, title = {A conic and an }, journal = {Zapiski Nauchnykh Seminarov POMI}, volume = {321}, year = {2005}, pages = {14-27}, doi = {10.1007/s10958-007-0430-9}, zbl = {1151.14336}, language = {en}, url = {http://dml.mathdoc.fr/item/05029481} }
Gushchin, M.A. A conic and an . Zapiski Nauchnykh Seminarov POMI, Tome 321 (2005) pp. 14-27. doi : 10.1007/s10958-007-0430-9. http://gdmltest.u-ga.fr/item/05029481/