@article{SEMR_2012_9_a42, author = {O. M. Kosheleva}, title = {Each of us is responsible for everything}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {{\CYRA}.37--{\CYRA}.39}, publisher = {mathdoc}, volume = {9}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SEMR_2012_9_a42/} }