@article{MZM_2012_92_1_a9,
     author = {S. N. Fedotov},
     title = {Semi-Invariants of {2-Representations} of {Quivers}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {106--115},
     publisher = {mathdoc},
     volume = {92},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_1_a9/}
}