@article(bew103,
 author       = {Bob Coecke and Chris Heunen and Aleks Kissinger},
 year         = {2014},
 title        = {{Categories of Quantum and Classical Channels}},
 journal      = {Quantum Information Processing},
 pages        = {1--31},
 doi          = {10.1007/s11128-014-0837-4},
)
@book(fh,
 author       = {William Fulton and Joe Harris},
 year         = {1991},
 title        = {{Representation Theory}},
 series       = {Graduate Texts in Mathematics},
 volume       = {129},
 publisher    = {Springer Science \& Business Media},
 doi          = {10.1007/978-1-4612-0979-9},
)
@book(gkp,
 author       = {Ronald L. Graham and Donald E. Knuth and Oren Patashnik},
 year         = {1989},
 title        = {{Concrete Mathematics}},
 publisher    = {Massachusetts: Addison-Wesley},
)
@book(hw,
 author       = {G. H. Hardy and E. M. Wright},
 year         = {1999},
 title        = {{An Introduction to the Theory of Numbers}},
 publisher    = {Oxford},
)
@article(bew143,
 author       = {Michele Pagani and Peter Selinger and Benoit Valiron},
 year         = {2014},
 title        = {{Applying Quantitative Semantics to Higher-order Quantum Computing}},
 journal      = {ACM SIGPLAN Notices},
 volume       = {49},
 number       = {1},
 pages        = {647--658},
 doi          = {10.1145/2535838.2535879},
)
@article(r,
 author       = {Srinivasa Ramanujan},
 year         = {1918},
 title        = {{On Certain Trigonometrical Sums and their Applications in the Theory of Numbers}},
 journal      = {Trans. Cambridge Philos. Soc},
 volume       = {22},
 number       = {13},
 pages        = {259--276},
)
@article(bew121,
 author       = {Peter Selinger},
 year         = {2004},
 title        = {{Towards a Quantum Programming Language}},
 journal      = {Mathematical Structures in Computer Science},
 volume       = {14},
 number       = {04},
 pages        = {527--586},
 doi          = {10.1017/s0960129504004256},
)