@article{JCA_2009_16_2_JCA_2009_16_2_a14,
     author = {Y. Censor and A. Segal},
     title = {The {Split} {Common} {Fixed} {Point} {Problem} for {Directed} {Operators}},
     journal = {Journal of convex analysis},
     pages = {587--6},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/JCA_2009_16_2_JCA_2009_16_2_a14/}
}