TY - JOUR AU - L.L. Helms TI - Brownian motion in a closed convex polygon with normal reflection JO - Annales Fennici Mathematici PY - 1992 SP - 199 EP - 209 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1992.1724/ DO - 10.5186/aasfm.1992.1724 LA - en ID - AFM_1992_17_2_a3 ER -