H. S. Dhillon

Diffraction of Partially Coherent Light by an Aberration-Free Annular Aperture

K. Singh, Kunwar Pal Singh, H. S. Dhillon, 1969 .

Chaotic solutions of the nonlinear Schrodinger equation in classical and quantum systems

K. E. Kurten, F. Kusmartsev, H. S. Dhillon, 1999, math-ph/9909027.