@article{MAIS_2013_20_2_a6,
     author = {A. A. Husainov and E. S. Bushmeleva and T. A. Trishina},
     title = {Homology {Groups} of a {Pipeline} {Petri} {Net}},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {92--103},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2013_20_2_a6/}
}