Teugels, Jozef L <br/><br/>
Probability density functions which are their own characteristic functions 
Jesef L. Teugels 
 - Louvain  University Louvain  1972 
 - pag. dif  28 cm 
 - Meddelingen uit Wiskundig Institut Katolike Universiteit te Leuven  6 .
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