@article{TMF_2008_155_2_a5,
     author = {A. Ya. Kazakov and S. Yu. Slavyanov},
     title = {Euler integral symmetries for a~deformed {Heun} equation and symmetries
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {252--264},
     publisher = {mathdoc},
     volume = {155},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_155_2_a5/}
}