TY  - BOOK
AU  - Gellert,W.
TI  - The VNR concise encyclopedia of mathematics
SN  - 0442226462 :
AV  - QA40 .V18
PY  - 1977///
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Mathematics
KW  - Handbooks, manuals
N1  - Includes bibliographical references and index
ER  -