@article{10_2298_PIM0591087D,
     author = {Aldona Dutkiewicz and Stanis{\l}aw Szufla},
     title = {Kneser's {Theorem} for {Weak} {Solutions} of an {Integral} {Equation} {With} {Weakly} {Singular} {Kernel}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {87 },
     publisher = {mathdoc},
     volume = {_N_S_77},
     number = {91},
     year = {2005},
     doi = {10.2298/PIM0591087D},
     zbl = {1142.45308},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/PIM0591087D/}
}