@article{10_4064_aa132_2_1,
     author = {Kohji Matsumoto and Takashi Nakamura and Hiroyuki Ochiai and Hirofumi Tsumura},
     title = {On value-relations, functional relations and singularities
 of {Mordell{\textendash}Tornheim} and related triple zeta-functions},
     journal = {Acta Arithmetica},
     pages = {99--125},
     publisher = {mathdoc},
     volume = {132},
     number = {2},
     year = {2008},
     doi = {10.4064/aa132-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa132-2-1/}
}