Shells of radiation flowing in an expanding universe
Non-singular relativistic cosmological models with modified cosmical term
Models of M 31 and of our galaxy and some problems relating to their structure
The role of the free gravitational filed in cosmology
Multifrequency observations of extended extragalactic radio sources
Certain Brans-Dicke solutions and their cosmological applications
Certain spatially homogenous cosmological models with shear and rotation
Some physical distributions of relativitistic cosmology
Problems of cosmology
study of homogeneous models of early universe in general relativity and scalar-tensor theories
Dynamical studies of large structures in the universe
Study of some cosmological models in Lyra geometry
dipolarity of the absolute in Whiteheadian Cosmology: A critical evaluation
Tidal interactions in binary galaxies
Role of nuclei of galaxies and quasi-stellar objects in the evolution of galaxies
Geophysical and interplanetary effects on cosmic ray anisotropies
Cosmological models in the higher derivative gravity and their different aspects
formation of ring galaxies
Some investigations of massless and massive fields in desitter schwarzschild and desitter universes
Some bionchi type cosmological models in certain alternative theories of gravitation