TY  - DATA
AU  - Sally, Judith D.
AU  - Sally, Paul J.,
TI  - Roots to research: a vertical development of mathematical problems 
T2  - Miscellaneous Books, 
SN  - 9781470411985 (online)
PY  - 2007///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Mathematics
N1  - Includes bibliographical references (p. 333) and index
UR  - https://doi.org/10.1090/mbk/048
ER  -