Motion in Non - linear theories of gravity /
الحركة فى نظريات تثاقل غير خطيه
Magd Elias Kahil ; Supervised M.I.Wanas , M.Melek
- Cairo : Magd Elias Kahil , 2001
- 91P ; 30cm
Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Astronomy and Meteorology