@article{SLC_2011-2012_65_a6,
     author = {Adrian Tanasa},
     title = {Some {Combinatorial} {Aspects} of {Quantum} {Field} {Theory}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {2011-2012},
     volume = {65},
     url = {http://geodesic.mathdoc.fr/item/SLC_2011-2012_65_a6/}
}