TY  - JOUR
AU  - W. Okrasinski
TI  - Nonlinear Volterra equations and physical applications. [Appendix: On an extension of Gripenberg's condition].
JO  - Extracta Mathematicae
PY  - 1989
SP  - 51
VL  - 4
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_2_38295/
LA  - en
ID  - EXMATH_1989__4_2_38295
ER  -