@article{SMJ2_2008_34_4_a5,
     author = {Kolev, Nikolay},
     title = {New {Upper} {Bound} for the {Edge} {Folkman} {Number} {Fe(3,5;13)}},
     journal = {Serdica Mathematical Journal},
     pages = {783--790},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2008_34_4_a5/}
}