Another possible case of a gravitational lens

• 1 September 1981
• journal article
• Published by American Astronomical Society in The Astrophysical Journal
• Vol. 248, L101-L104
• https://doi.org/10.1086/183634

Abstract

Keywords

• RADIAL VELOCITY
• COSMOLOGICAL CONSTANT
• POINT SOURCE
• GRAVITATIONAL LENS
• CLUSTER OF GALAXIES