I.G. Petrovskii; G.A. Yosifan; Olga Oleinik <br/><br/>
I.G.Petrovskii:Selected Wrks P 

 -  Taylor and Francis  1996 
<br/><br/><label>ISBN: </label>9781003421535 
<br/><br/><label>Source: </label>EBOOK