@article{ZNSL_2021_504_a1,
     author = {A. E. Guterman and E. M. Kreines and N. V. Ostroukhova},
     title = {Transformations of assembly number for 4-regular graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {21--46},
     publisher = {mathdoc},
     volume = {504},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2021_504_a1/}
}