@article{10_4171_dm_359,
     author = {Markus Reineke},
     title = {Degenerate cohomological {Hall} algebra and quantized {Donaldson-Thomas} invariants for $m$-loop quivers.},
     journal = {Documenta mathematica},
     pages = {1--22},
     year = {2012},
     volume = {17},
     doi = {10.4171/dm/359},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/359/}
}