Abstracts of bulgarian scientific literature: mathematical and physical sciences/ 
Bulgarian Academy of Sciences 
 - Sofia :  Sofia, 
 - Trimestral 
<br/><br/><label>ISSN: </label>0204-9449 
 = Abstracts of bulgarian scientific literature: mathematical and physical sciences 
<br/><br/><label>Subjects--Index Terms: </label>MATEMATICA FISICA BIBLIOGRAFIA;  INDICES