<正> In 1983,E.P.Klement and D.A.Ralescu have indicated the nonlinearity of fuzzyintegral and have given the conditions of which the fuzzy integral is linear(J.
<正> 0 The Diophantine equation X~(2p)-Dy~2=1Let D be a positive integer which is square free,and p be a prime.In 1966,Ljunggren showed that if p=2 and D=q is a