000			01317nmm a2200145Ia 4500
008			230301s9999||||xx |||||||||||||||||und||
020			_a9781470432317 (online)
245		0	_a6 papers on partial differential equations / _cKos'elev, A. I. [and others]. _hSeries 2, volume 20
300			_a1 online resource (1 online resource (iii, 364 pages).)
490			_aAmerican Mathematical Society Translations: Series 2,
500			_a"Published by the American Mathematical Society ... under a grant from the National Science Foundation"--Title page.
505			_tOn the asymptotic behavior of the spectral function and expansion in eigenfunctions of the equation _\Delta u+\{\lambda -q(x_1,x_2,x_3)\}u=0 _ /; Spectral analysis of non-selfadjoint operators /; The method of finite differences in the theory of partial differential equations /; A priori estimates in _L_p _ and generalized solutions of elliptic equations and systems /; Some questions in the qualitative theory of elliptic and parabolic equations /; Regular degeneration and boundary layer for linear differential equations with small parameter / _rB. M. Levitan; M. A. Naimark; O. A. Ladyzenskaya; A. I. Koselev; E. M. Landis; M. I. Visik and L. A. Lyusternik
650			_aDifferential equations, Partial
856			_uhttp://www.ams.org/trans2/020
999			_c28087 _d28087