@article {katsikis2019heuristic,
	title = {A heuristic process on the existence of positive bases with applications to minimum-cost portfolio insurance in C [a, b]},
	journal = {Applied Mathematics and Computation},
	volume = {349},
	year = {2019},
	pages = {221{\textendash}244},
	publisher = {Elsevier},
	author = {Vasilios N. Katsikis and Spyridon D. Mourtas}
}
