@article{MO_1998_5_2_a3,
     author = {L. S. Pontryagin},
     title = {Ethics and {Arithmetic}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {19--21},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_1998_5_2_a3/}
}