Ordinary Differential Equations by I. G. Petrovski

Russian Algebra Textbooks 7 & 8 Grade Soviet Math Curriculum Makarychev Russian

Problems and Exercises in Integral Equations-M. Krasnov/Mir Pub.-1971-HC/DJ

Constructive Methods In The Analysis Of Nonlinear Systems Mir Publishers

Problems in Quantitative Analysis by A. Musakin & Others 1975 HC/DJ/MIR Publish

The Moscow Puzzles: Three Hundred Fifty-Nine Mathematical Recreations

Algebraic Systems ( Volume 192) By A. I. Mal'cev Translated Seckler, Doohovskoy

The USSR Olympiad Problem Book: Selected Problems and Theorems of El - VERY GOOD