Drobot, Stefan, Real Numbers Textual Documents Drobot, Stefan - New jersey: Prentice-Hall,Inc, 1964. - 102p.: 03973. Subjects--Uniform Titles: Mathematics. Subjects--Index Terms: Cardinality,Universal Law of Approximation,Digital Representation of Real Numbers,Diophantine Approximation Dewey Class. No.: 512.81 DRO