@article{MO_2003_26_3_a3,
     author = {I. L. Timofeeva},
     title = {A {Proof} under a {Microscope}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {44--58},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2003_26_3_a3/}
}