Zadachi po elementarnoĭ matematike povyshennoĭ trudnosti.
Contributors: Ryvkin, Alʹbert Anatolʹevich.
Publisher: "Nauka"
Published: 1969
Place of publication: Moskva
Language: rus
Number of pages: 494
Subjects: Mathematics -- Problems, exercises, etc.
Genres: Problems, exercises, etc.
Notes: At head of title: E. B. Vakhovskiĭ, A. A. Ryvkin.