APA

Stephanidis N. K., Aristotle University of Thessaloniki D. o. M. S. o. G., . (1987). Proceedings of the congress of geometry. Thessaloniki: Section of Geometry, Dept of Mathematics, Aristotle Univ. of Thessaloniki.

Chicago

Stephanidis N K, Aristotle University of Thessaloniki Department of Mathematics Section of Geometry, . 1987. Proceedings of the congress of geometry. Thessaloniki: Section of Geometry, Dept of Mathematics, Aristotle Univ. of Thessaloniki.

Harvard

Stephanidis N. K., Aristotle University of Thessaloniki D. o. M. S. o. G., . (1987). Proceedings of the congress of geometry. Thessaloniki: Section of Geometry, Dept of Mathematics, Aristotle Univ. of Thessaloniki.

MLA

Stephanidis N K, Aristotle University of Thessaloniki Department of Mathematics Section of Geometry, . Proceedings of the congress of geometry. Thessaloniki: Section of Geometry, Dept of Mathematics, Aristotle Univ. of Thessaloniki. 1987.