ABSTRACT
If this equation represents a real model, it will be reasonable to expect that such is the case for appropriate conditions on aij , {3ij , "Iij and Oij . Sev eral techniques can be employed to establish existence of specific solutions.
If this equation represents a real model, it will be reasonable to expect that such is the case for appropriate conditions on aij , {3ij , "Iij and Oij . Sev eral techniques can be employed to establish existence of specific solutions.