Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MO_2009_51_3_a3, author = {A. Lyakhov}, title = {Complexity of {Problem} {Solving}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {27--38}, publisher = {mathdoc}, volume = {51}, number = {3}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2009_51_3_a3/} }
A. Lyakhov. Complexity of Problem Solving. Matematičeskoe obrazovanie, Tome 51 (2009) no. 3, pp. 27-38. http://geodesic.mathdoc.fr/item/MO_2009_51_3_a3/