TY  - JOUR
AU  - Jerzy B. Nowak
TI  - $L_2$-characteristic classes of Maslov–Trofimov of hamiltonian systems on the Lie algebra of the upper-triangular matrices
JO  - Fundamenta Mathematicae
PY  - 1998
SP  - 99
EP  - 110
VL  - 156
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-156-2-99-110/
DO  - 10.4064/fm-156-2-99-110
LA  - en
ID  - 10_4064_fm_156_2_99_110
ER  -