@article{10_4153_CMB_1972_031_9,
     author = {Basu, A. K.},
     title = {Invariance {Theorems} for {First} {Passage} {Time} {Random} {Variables}},
     journal = {Canadian mathematical bulletin},
     pages = {171--176},
     year = {1972},
     volume = {15},
     number = {2},
     doi = {10.4153/CMB-1972-031-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-031-9/}
}