@article{MO_2007_4_a2,
     author = {F. K. Nilov},
     title = {Geometric {Proof} of a {Rectangular} {Triangle} {Indication}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {25--27},
     year = {2007},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2007_4_a2/}
}