@article{RCM_2007_41_Especial_a0,
     author = {Claudio Rodr{\'\i}guez Beltr\'an crodriguezbe@unal.edu.co Alexander G. Zavadskij ozavadskyy@unal.edu.c},
     title = {On corepresentations of equipped posets and their differentiation},
     journal = {Revista colombiana de matematicas},
     pages = {117--142},
     publisher = {mathdoc},
     volume = {41},
     number = {Especial},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/RCM_2007_41_Especial_a0/}
}