@article {81,
	title = {infty-groupoids as a model for a homotopy category},
	journal = {Uspekhi Mat. Nauk},
	volume = {45},
	year = {1990},
	note = {<p>Warning: the main theorem of this paper was shown by Carlos Simpson to be false.</p>
},
	pages = {183{\textendash}184},
	issn = {0042-1316},
	doi = {10.1070/RM1990v045n05ABEH002673},
	url = {http://dx.doi.org/10.1070/RM1990v045n05ABEH002673},
	author = {Voevodsky, V. A. and Kapranov, M. M.}
}
