@article{SLC_2007-2008_58_a3,
     author = {Markus Kuba},
     title = {On {Evaluations} of {Infinite} {Double} {Sums} and {Tornheim's} {Double} {Series}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {58},
     year = {2007-2008},
     url = {http://geodesic.mathdoc.fr/item/SLC_2007-2008_58_a3/}
}