Guy, Richard K..
Unsolved Problems in Number Theory / - 1st ed / - New York 10010 : Springer-Verlag , 1985 - p.161,xvi :
0-387-90593-6
Number Systems
B13 / M1
Unsolved Problems in Number Theory / - 1st ed / - New York 10010 : Springer-Verlag , 1985 - p.161,xvi :
0-387-90593-6
Number Systems
B13 / M1