@article {540,
	title = {Semilinear boundary value problems for degenerate pseudodifferential operators in spaces of Sobolev type},
	journal = {Russian J. Mathematical Physics},
	volume = {15},
	year = {2008},
	month = {03/2008},
	pages = {222-237},
	chapter = {222},
	author = {Egorov, Yu. V. and N. M. Chuong and D. A. Tuan}
}
