@article{IM2_2017_81_1_a5,
     author = {S. P. Khekalo},
     title = {Dunkl--Darboux differential-difference operators},
     journal = {Izvestiya. Mathematics },
     pages = {156--178},
     publisher = {mathdoc},
     volume = {81},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2017_81_1_a5/}
}