@article{DA_2017_24_2_a1,
     author = {V. A. Voblyi and A. K. Meleshko},
     title = {Enumeration of labeled outerplanar bicyclic and tricyclic graphs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {18--31},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2017_24_2_a1/}
}