@article{ZNSL_1974_40_a1,
     author = {Ya. Ya. Golota},
     title = {A~matrix notation for the nets of marks},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {4--9},
     publisher = {mathdoc},
     volume = {40},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_40_a1/}
}