Rajeev, B2012-12-062012-12-061989Sankhya : The Indian Journal of Statistics, v 51, no. 3,http://hdl.handle.net/10263/4999enBrownian motionCrossingsSemi-martingaleLocal timeLavy's crossings theoremTaylor's formulaCrossings of brownian motion : a semi-martingale approachArticle