“…See also [8,9]. Mathematical results on initial and initial boundary value problems for various variants of (1.1) are presented in [2,4,6,7,10,12,13,20,21,23,24,25,26,32,33,36,38], see references there for more information. In [4,13,21,38], Kuramoto-Sivashinsky type equations have been considered which included u xxx (KdV) term.…”