@article{MO_1999_1_a1,
     author = {S. I. Kalinin},
     title = {An {Integral} {Proof} of the {Arithmetic} {Mean} {\textendash} {Geometric} {Mean} {Inequality}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {25--28},
     year = {1999},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_1999_1_a1/}
}