# #Mon Aug 09 11:50:52 CEST 2010 Text__lzWtYKObEd-WfYQ0GneCwQ_title=Notes on the Work of A. Friedmann On the Curvature of Space Text__lzWtYKObEd-WfYQ0GneCwQ_text=

This is Einstein\u2019s reply to the publication of the Soviet mathematician Friedmann. Friedmann points out the time-dependent solution of the Einsteinian equations of gravity, which indicates an expanding universe.