An essay on the foundations of geometry অনুযায়ী Russell, Bertrand 1872-1970

Basic concepts of geometry অনুযায়ী Prenowitz, Walter 1906-

The foundations of geometry and the non-Euclidean plane অনুযায়ী Martin, George Edward 1932-

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Hilbert's fourth problem অনুযায়ী Pogorelov, A. V. (Alekseæi Vasil§evich) 1919-

The Foundations of geometry and the non-euclidean plane. অনুযায়ী Martin, George E.

Basic mathematical concepts অনুযায়ী Wren, Frank Lynwood 1894-

Projective and Euclidean geometry অনুযায়ী Fishback, W. T. (William Thompson)

Projective and Euclidean geometry অনুযায়ী Fishback, W. T. (William Thompson)

Projective and Euclidean geometry অনুযায়ী Fishback, W. T. (William Thompson)

Projective and Euclidean geometry অনুযায়ী Fishback, William Thompson