@article{EXMATH_1989__4_3_38341,
     author = {W. Okrasinski},
     title = {Note on nontrivial solutions to nonlinear {Volterra} equations.},
     journal = {Extracta Mathematicae},
     pages = {157},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1989},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_3_38341/}
}