@article{10_14708_cm_v47i2_5248,
     author = {Adel Mahmoud Gomaa},
     title = {On theorems for weak solutions of nonlinear differential equations with and without delay in {Banach} spaces},
     journal = {Commentationes Mathematicae},
     pages = { 179--191},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {2007},
     doi = {10.14708/cm.v47i2.5248},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v47i2.5248/}
}