Geodesic
Mathematical Definitions and Teaching
Matematičeskoe obrazovanie, no. 4 (2008), pp. 50-59 
H. Poincaré. Mathematical Definitions and Teaching. Matematičeskoe obrazovanie, no. 4 (2008), pp. 50-59. http://geodesic.mathdoc.fr/item/MO_2008_4_a4/
@article{MO_2008_4_a4,
     author = {H. Poincar\'e},
     title = {Mathematical {Definitions} and {Teaching}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {50--59},
     year = {2008},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2008_4_a4/}
}
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AU  - H. Poincaré
TI  - Mathematical Definitions and Teaching
JO  - Matematičeskoe obrazovanie
PY  - 2008
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EP  - 59
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/MO_2008_4_a4/
LA  - ru
ID  - MO_2008_4_a4
ER  - 
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Voir la notice de l'article provenant de la source Math-Net.Ru

Some methodological problems of introducing definitions in teaching mathematics and mechanics are discussed.