"Géométrie non-euclidienne." . . "Espacios generalizados." . . "Quelle." . . "Geometria de l'espai." . . . . "Appendix, the theory of space"@en . "Appendix, the theory of space" . . . . . . . . . . "Theory of space"@en . . "Appendix, the theory of space : with introduction, comments, and addenda" . . . . . . "The epoch-making work of János Bolyai is presented here, together with a supplement outlining Hungarian political and science history to help the reader to get acquainted with the miserable fate of János Bolyai and with his intellectual world. A facsimile of a copy of Bolyai's original 1831 Scientia Spatii (also known as the Appendix) is included, together with a translation. Comments and notes, and a survey of the effects of his work, complete the volume."@en . . . . . . "Appendix, the theory of space = Appendix scientiam spatii absolute veram exhibens. English & Latin"@en . . . . . . . . . . "Appendix, the theory of space : with introd., comments, and addenda" . . . . "Appendix : the theory of space : with introduction, comments, and addenda" . "Appendix : the Theory of Space" . "Appendix, A tér tudománya" . . . . "Appendix : the theory of space : with introduction, comments and addenda" . . "Appendix" . . . . . . . . "Appendix : The theory of space" . . "Electronic books"@en . . . "Appendix scientiam spatii absolute veram exhibens. English & Latin"@en . . . . . "Appendix the theory of space" . . . . . . . . . . . "Appendix. The theory of space : with introduction, comments, and addenda" . . "Appendix : the theory of space" . "Geometría no Euclídea." . . "Hiperbolikus geometria." . . "Térelmélet fejlődése." . . "Geometrie neeuclidiană." . . "Geometry, Non-Euclidean." . . "MATHEMATICS Geometry Non-Euclidean." . . "Latin (Langue) Textes." . . "Geometría Fundamentos." . . "Geometria no euclidiana" . . "Geometría no euclidiana." . "Absolute Geometrie." . . "Nichteuklidische Geometrie." . . "Geschichte 1831" . . "Geschichte 1831." .