Elementary Theory of Analytic Functions of One or Several Complex Variables

Partial Differential Equations Lawrence C Evans AMS Graduate Studies Math Vol 19

Basic Theory of Ordinary Differential Equations Hsieh Sibuya 1999 HC

Tom M Apostol Introduction to Analytic Number Theory Springer 1976 HC

Partial Differential Equations by Lawrence C. Evans (hardcover, rare)

Basic Modern Theory of Linear Complex Analytic $q$-Difference... - 9781470478407

Partial Differential Equations II - 9783031336997

Basic Modern Theory of Linear Complex Analytic $q$-Difference Equations by Jacqu