Petar R. Popivanov | Bookhype

Jan 13, 2000

Cover of Approximate Solutions of Partial Differential Operators

Approximate Solutions of Partial Differential Operators

Feb 21, 1997

Cover of The Degenerate Oblique Derivative Problem for Elliptic and Parabolic Equations

The Degenerate Oblique Derivative Problem for Elliptic and Parabolic Equations (Mathematical Research S., v. 93)