@article{EJDE_2005__2005__a136,
     author = {Boudjenah,  Lotfi},
     title = {Existence of solutions to a paratingent equation with delayed argument},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1075.34054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a136/}
}