Sur les problemes aux limites pour les equations quasilineaires elliptiques et paraboliques d"ordre superieur.— Colloques Intern, du Centre Nat. Rech. Scient., 117 (1963), p.213—218.
Solubility of boundary-value problems for quasi-linear parabolic equations of higher orders. (Russian) Mat. Sb. (N.S.) 59 (101) 1962 suppl., 289--325. Go to publication
THE SOLUTION OF SOME PERTURBATION PROBLEMS FOR MATRICES AND SELFADJOINT OR NON-SELFADJOINT DIFFERENTIAL EQUATIONS I.
Russian Mathematical Surveys (1960),15(3):1-73. Go to publication
THE ASYMPTOTIC BEHAVIOUR OF SOLUTIONS OF LINEAR DIFFERENTIAL EQUATIONS WITH LARGE OR QUICKLY CHANGING COEFFICIENTS AND BOUNDARY CONDITIONS.
Russian Mathematical Surveys (1960),15(4):23-91. Go to publication
Regular degeneration and boundary layer for linear differential equations with small parameter.
Usp. Mat. Nauk 12, No. 5(77), 3-122 (1957). Go to publication
Boundary value problems for partial differential equations and certain classes of operator equations.
Uspehi Mat. Nauk (N.S.) 11 1956 no. 6(72), 41--97. Go to publication
The probelm of Cauchy with operators as coefficients, the mixed boundary problem for systems of differential equations and an approximate method of their solution. Mat. Sb. N.S. 39(81) (1956), 51--148. Go to publication
On systems of elliptic differential equations and their general boundary problems.
Uspehi Matem. Nauk (N.S.) 8, (1953). no. 1(53), 181--187. Go to publication
