@article{ZNSL_2016_448_a11,
     author = {I. A. Krepkiy},
     title = {Applying {Kirchhoff} relations in proofs of theorems on graph operations that do not affect the structure of the sandpile groups of graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {165--176},
     publisher = {mathdoc},
     volume = {448},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2016_448_a11/}
}