[1.] Y. Song and M.S. Gowda,** On some properties of P-matrix sets,
Linear Algebra and its Applications **, 290 (1999) 237-246.

[2.] M.S. Gowda and Y. Song, ** On Semidefinite linear complementarity
problems **,
Mathematical Programming, 88 (2000) 575-587.

[3.] Y. Song, M.S. Gowda and G. Ravindran, **On characterizations of P_0- and
P-properties
in
nonsmooth
functions **, Mathematics of Operations Research, 25 (2000) 400-409.

[4.] M.S. Gowda and Y. Song,** Errata: On semidefinite linear complementarity
problems **, Mathematical Programming, Series A, 91 (2001) 199-200.

[5.] M.S. Gowda and Y. Song, ** Some new results for the semidefinite linear
complementarity problem,
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, VOL. 24, NO. 1 .
**