RRuba'iǐatRuba'iǐatde Omar KhayyamEdiciones (1)Ruba'iǐat. (1959)Izd-vo vostochnoǐ lit-ry · rusoMás obras de Omar KhayyamLLumifarLumifarOOmar KhayyamOmar KhayyamRRuba iya t of Omar Khayyam of NaishapurRuba iya t of Omar Khayyam of Naishapur