GÜRSOY, O. And KÜÇÜK, A. 1997. On the Bertrand offsets of trajectory ruled surfaces. Sakarya matematik sempozyumu , (Sakarya, Turkey).

GÜRSOY, O., & KÜÇÜK, A., (1997). On the Bertrand offsets of trajectory ruled surfaces . Sakarya matematik sempozyumu, Sakarya, Turkey

GÜRSOY, OSMAN, And AHMET KÜÇÜK. "On the Bertrand offsets of trajectory ruled surfaces," Sakarya matematik sempozyumu, Sakarya, Turkey, 1997

GÜRSOY, OSMAN And KÜÇÜK, AHMET. "On the Bertrand offsets of trajectory ruled surfaces." Sakarya matematik sempozyumu , Sakarya, Turkey, 1997

GÜRSOY, O. And KÜÇÜK, A. (1997) . "On the Bertrand offsets of trajectory ruled surfaces." Sakarya matematik sempozyumu , Sakarya, Turkey.

@conferencepaper{conferencepaper, author={OSMAN GÜRSOY And author={AHMET KÜÇÜK}, title={On the Bertrand offsets of trajectory ruled surfaces}, congress name={Sakarya matematik sempozyumu}, city={Sakarya}, country={Turkey}, year={1997}}