Krylov, N.V <br/><br/>
Sobolev & viscosity solutions for fully nonlinear elliptic & parabolic equations 
N.V. Krylov 
 - Providence  American Mathematical Society  2018 
 - xiv  441 
 - Mathematical surveys & monographs 233 .
<br/><br/><label>ISBN: </label>9781470447403