@article{TMF_2018_195_1_a1,
     author = {D. Batic and D. Mills and M. Nowakowski},
     title = {Semicommuting and commuting operators for {the~Heun} family},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {6--26},
     publisher = {mathdoc},
     volume = {195},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_195_1_a1/}
}