@article{AUS97, author = {Andreas U. Schmidt}, title = {{M}athematical {P}roblems of {G}auge {Q}uantum {F}ield {T}heory: {A} {S}urvey of the {S}chwinger {M}odel}, journal = {Univ. Iagel. Acta Math.}, year = {1997}, pages = {113-134}, volume = {Fasc. XXXIV}, note = {Extended version of a talk given at the First Frankfurt-Krakow Operator Theory Seminar, Krakow, April 1996. arXiv \href{http://arXiv.org/abs/hep-th/9707166}{\texttt{hep-th/9707166}}}, mrnumber = {98e:81114} }