@article{10_1007_s10587_013_0047_8,
     author = {Korczak-Kubiak, Ewa and Pawlak, Ryszard J.},
     title = {Trajectories, first return limiting notions and rings of $H$-connected and iteratively $H$-connected functions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {679--700},
     publisher = {mathdoc},
     volume = {63},
     number = {3},
     year = {2013},
     doi = {10.1007/s10587-013-0047-8},
     mrnumber = {3125649},
     zbl = {06282105},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-013-0047-8/}
}