6883
Pettofrezzo, Anthony J
Number systems; structure and properties
]Glenview, Ill.[ Scott
Foresman
]1969[
274p.:ill
]by[ Anthony J.Pettrofrezzo ]and[ Donald W.Hight
Foundations ، Arithmetic
، Numbers, Real
QA
248
.
P4
AU
AU Hight, Donald W. joint author
TI
CL
