@article {62603,
	title = {Some representations of moore-penrose inverse for the sum of two operators and the extension of the fill-fishkind formula},
	journal = {Numerical Algebra, Control \& OptimizationNumerical Algebra, Control \& Optimization},
	year = {2021},
	month = {2021},
	author = {Kara, Abdessalam and Guedjiba, Said}
}
