@article {MR2642960,
	title = {Optimal execution strategies in limit order books with general shape functions},
	journal = {Quant. Finance},
	volume = {10},
	number = {2},
	year = {2010},
	pages = {143{\textendash}157},
	issn = {1469-7688},
	doi = {10.1080/14697680802595700},
	author = {Alfonsi, Aur{\'e}lien and Fruth, Antje and Schied, Alexander}
}
