@article{FPM_2006_12_8_a4,
     author = {V. V. Kirichenko and V. N. Zhuravlev and I. N. Tsiganovskaya},
     title = {On rigid quivers},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {105--120},
     publisher = {mathdoc},
     volume = {12},
     number = {8},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2006_12_8_a4/}
}