@misc{MO_2016_80_4_a4,
     title = {On the teaching methods of graph theory},
     journal = {Matemati\v{c}eskoe obrazovanie},
     publisher = {mathdoc},
     volume = {80},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2016_80_4_a4/}
}