@article{DANMA_2021_498_a3,
     author = {D. I. Borisov},
     title = {Quantum graphs with small edges: holomorphy of resolvents},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {21--26},
     year = {2021},
     volume = {498},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2021_498_a3/}
}