@article{10_14708_cm_v29i1_6252,
     author = {D. D. Bainov and S. I. Kostadinov and A. I. Zahariev},
     title = {Abstract {Volterra} type integral equations},
     journal = {Commentationes Mathematicae},
     pages = { 33--41},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1989},
     doi = {10.14708/cm.v29i1.6252},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v29i1.6252/}
}