@article {MR2588792,
	title = {The image of {S}inger{\textquoteright}s fourth transfer},
	journal = {C. R. Math. Acad. Sci. Paris},
	volume = {347},
	number = {23-24},
	year = {2009},
	pages = {1415{\textendash}1418},
	issn = {1631-073X},
	doi = {10.1016/j.crma.2009.10.018},
	url = {http://db.lic.vnu.edu.vn:2080/10.1016/j.crma.2009.10.018}
}
