@article{JEDP_1999____A18_0,
     author = {Wang, Wei-Min},
     title = {Supersymmetry, {Witten} complex and asymptotics for directional {Lyapunov} exponents in $\mathbf {Z}^d$},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {18},
     pages = {1--16},
     publisher = {Universit\'e de Nantes},
     year = {1999},
     zbl = {01810591},
     language = {en},
     url = {http://www.numdam.org/item/JEDP_1999____A18_0/}
}