Guy, Richard K.
Unsolved problems in number theory / Richard K. Guy. - New York : Springer-verlag , cop. 1981 . - XVIII, 161 p. : il. ; 25 cm. - (Problem books in mathematics)
ISBN 0-387-90593-6
Teoria dos números
LCC QA241
Unsolved problems in number theory / Richard K. Guy. - New York : Springer-verlag , cop. 1981 . - XVIII, 161 p. : il. ; 25 cm. - (Problem books in mathematics)
ISBN 0-387-90593-6
Teoria dos números
LCC QA241
