@article{SF_1996__53_2_135492,
     author = {H. Oka},
     title = {Linear {Volterra} equations and integrated solution families.},
     journal = {Semigroup forum},
     pages = {278--297},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {1996},
     zbl = {0862.45017},
     url = {http://geodesic.mathdoc.fr/item/SF_1996__53_2_135492/}
}