Algebra can be fun /
Perelʹman, I︠A︡. I.(I︠A︡kov Isidorovich),1882-1942.
Bolti︠a︡nskiĭ, V. G.(Vladimir Grigorʹevich),1925-
Yankovsky, George.
Moscow : MIR Publishers ; Chicago : Imported Publications,
1979.
Revised from the 1975 Russian edition.
"Translated from the thirteenth Russian edition by George Yankovsky."
Algebra
Mathematical recreations.