TY  - BOOK
AU  - Encyclopedia of Mathematics and its applications
AU  - Gripenberg, G.
AU  - Staffans, O.
AU  - Londen, S. O.
TI  - Volterra integral and functional equations
T2  - Encyclopedia of Mathematics and its applications
U1  - 510.3 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
ER  -