Lerche, Hans Rudolf. <br/><br/>
Boundary crossing of Brownian motion; its relation to the law of the iterated logarithm and to sequential analysis  / 

 - Berlin:  Springer-Verlag,  1986 
 - iv, 142p. Index 
 - Lecture notes in Statistics ; 40 .
<br/><br/><label>Dewey Class. No.: </label>519.21  / L614.BC