TY  - BOOK
AU  - Bello, Ignacio.
AU  - Britton, Jack Rolf,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 669289574
SN  - 2
PY  - 1993///];copyright 199346
CY  - Lexington, Mass.
PB  - D.C. Heath
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Mathematics
N1  - Britton's name appears first on the earlier edition; Includes bibliographical references (p. A98) and index; 5
ER  -