TY - JOUR AU - Stefan Hildebrandt TI - Mathematical Aspects of 'T Hooft's Eigenvalue Problem in Two-Dimensional Quantum Chromodynamics. Part I. A variational approach, and nodal properties of the eigenfunctions. JO - Manuscripta mathematica PY - 1978 SP - 45 EP - 80 VL - 24 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1978__24_154534/ ID - MM2_1978__24_154534 ER -