TY  - BOOK
AU  - Gripenberg G.
AU  - Londen S.-O.,Staffans O.
TI  - Volterra Integral and Functional Equations
U1  - 517.983 
PY  - 1990///
CY  - Cambridge a.o.
PB  - Cambridge University Press
N1  - Encyclopedia of Mathematics and its Applications
ER  -