@article{10_21136_MB_2020_0077_19,
     author = {Keskin, Refik and Erduvan, Fatih},
     title = {Repdigits in the base $b$ as sums of four balancing numbers},
     journal = {Mathematica Bohemica},
     pages = {55--68},
     publisher = {mathdoc},
     volume = {146},
     number = {1},
     year = {2021},
     doi = {10.21136/MB.2020.0077-19},
     mrnumber = {4227311},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2020.0077-19/}
}