Iversen, Birger <br/><br/>
Genetic local structure of the morphisms in commutative algebra  / 

 - Berlin:  Springer-Verlag,  1973 
 - iv, 108p. Index 
 - Lecture notes in Mathematics ; 310 .
<br/><br/><label>Dewey Class. No.: </label>512  / Iv94.GL