Bitsadze V. A and Kalinichenko F. D <br/><br/>
A collection of problems on the equations of mathematical physics 
A. V Bitsadze and D. F Kalinichenko 
 - Moscow  Mir Publishers  1980 
 - p. 334.  Hbk 
<br/><br/><label>LC Class. No.: </label>QC 20.82.B5  / 1980