Παραπομπή APA

Φιλιππίδης, Ι. Φ., & N/A. (1970). Navigation functions for unknown sphere worlds, general geometries, their inverse problem and combination with formal methods. N/A.

Παραπομπή Chicago Style

Φιλιππίδης, Ιωάννης Φ., and N/A. Navigation Functions for Unknown Sphere Worlds, General Geometries, Their Inverse Problem and Combination With Formal Methods. N/A, 1970.

Παραπομπή MLA

Φιλιππίδης, Ιωάννης Φ., and N/A. Navigation Functions for Unknown Sphere Worlds, General Geometries, Their Inverse Problem and Combination With Formal Methods. N/A, 1970.

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