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

Basic concepts of geometry por Prenowitz, Walter 1906-

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

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

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

Basic mathematical concepts por Wren, Frank Lynwood 1894-

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

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

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

Projective and Euclidean geometry por Fishback, William Thompson