@article{02187735, title = {On classical }, journal = {Zapiski Nauchnykh Seminarov POMI}, volume = {314}, year = {2004}, pages = {122-141}, zbl = {1137.17301}, language = {en}, url = {http://dml.mathdoc.fr/item/02187735} }
Lyakhovskiĭ, V.D. On classical . Zapiski Nauchnykh Seminarov POMI, Tome 314 (2004) pp. 122-141. http://gdmltest.u-ga.fr/item/02187735/