@article{10_1017_S0017089519000375,
     author = {DR\'APAL, ALE\v{S} and VOJT\v{E}CHOVSK\'Y, PETR},
     title = {DIVISION {SUDOKUS:} {INVARIANTS,} {ENUMERATION,} {AND} {MULTIPLE} {PARTITIONS}},
     journal = {Glasgow mathematical journal},
     pages = {600--630},
     year = {2020},
     volume = {62},
     number = {3},
     doi = {10.1017/S0017089519000375},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089519000375/}
}