Heaviside operational calculus : an elementary foundation /
by Douglas H. Moore
- New York : American Elsevier, 1971
- xlii, 152 p. : ill. ; 24 cm.
- Modern analytic and computational methods in science and mathematics ; no. 30 .
"A facsimile reprint of Oliver Heaviside, an historical foreword, by Sir Edmund Whittaker, reprinted with permission from the Bulletin of the Calcutta Mathematical Society, 20 (1928-1929), 199-220": p. xix-xlii