Citace podle APA (7th ed.)

Bonola, R. Non-euclidean geometry: A critical and historical study of its developments.

Citace podle Chicago (17th ed.)

Bonola, Roberto. Non-euclidean Geometry: A Critical and Historical Study of Its Developments.

Citace podle MLA (8th ed.)

Bonola, Roberto. Non-euclidean Geometry: A Critical and Historical Study of Its Developments.

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