@article{LuzMocSotSkrSug15,
   author = {Lu\v{z}ar, B. and Mockovčiakov\'{a}, M. and Sot\'{a}k, R. and \v{S}krekovski, R. and Šugerek, P.},
   title = {{$\ell$-facial edge colorings of graphs}},
   journal = {Discrete Appl. Math.},
   volume = {181},
   pages = {193--200},
   DOI = {10.1016/j.dam.2014.10.009},
   url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84919480480&partnerID=MN8TOARS},
   year = {2015}
}