@Article{2009:tsarev:shem:parabolic:darboux,
	title = "Differential transformations of parabolic second-order operators in the plane",
	author = "S. Tsarev and E. Shemyakova",
	publisher = "MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.",
	journal = "Proceedings of the Steklov Institute of Mathematics",
	pages = "219--227",
	volume = "266",
	year = "2009",
	issn = "0081-5438",
	note = "10.1134/S0081543809030134",
	url = "http://dx.doi.org/10.1134/S0081543809030134",
	affiliation = "Siberian Federal University Institute of Mathematics Svobodnyi pr. 79 Krasnoyarsk 660041 Russia",
	issue = "1",
	keyword = "Mathematics and Statistics"
}