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APA
Machado, A., (1995). 19 Problems on elementary geometry. MATHEMATICAL INTELLIGENCER, 17, 17-19. ISSN 0343-6993. eISSN .
IEEE
Machado, A., "19 Problems on elementary geometry" in MATHEMATICAL INTELLIGENCER, vol. 17, pp. 17-19, 1995.
BIBTEX
@article{43704,
author = {Machado, A.},
title = {19 Problems on elementary geometry},
journal = {MATHEMATICAL INTELLIGENCER},
year = 1995,
pages = {17-19},
volume = 17
}