@article{DA_2023_30_4_a1,
     author = {V. A. Voblyi},
     title = {Enumeration of labeled bi-block graphs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {24--34},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2023_30_4_a1/}
}