Ak. Gupta et T. Varga, MATRIX VARIATE THETA-GENERALIZED NORMAL-DISTRIBUTION, Transactions of the American Mathematical Society, 347(4), 1995, pp. 1429-1437
In this paper, the matrix variate theta-generalized normal distributio
n is introduced. Then its properties are studied. In particular, it is
proved that this distribution has maximal entropy in a certain class
of distributions.