Petrowsky, I.G <br/><br/>
I.G. Petrowsky selected works, part I  systems of partial differential equations & algebraic geometry 
I.G. Petrowsky 
 - Australia  Gordon & Breach  1996 
 - x  555 
 - Classics of soviet mathematics 5 .
<br/><br/><label>ISBN: </label>9782881249785 
<br/><br/><label>Dewey Class. No.: </label>21  / PETR