TY  - BOOK
AU  - Roman, Steven
TI  - The umbral calculus
SN  - 9780486441399
SN  - 200405921
U1  - 515 ROM 
PY  - 2005///
CY  - Mineola, NY
PB  - Dover Publications
KW  - Calculus
N1  - Includes bibliographical references and index
ER  -