@article{SIGMA_2015_11_a3,
     author = {Simon N. M. Ruijsenaars},
     title = {Hilbert{\textendash}Schmidt {Operators} {vs.~Integrable} {Systems} of {Elliptic} {Calogero{\textendash}Moser} {Type~IV.} {The} {Relativistic} {Heun} (van {Diejen)} {Case}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2015},
     volume = {11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2015_11_a3/}
}