@proceedings {6900,
	title = {A projective methods to nsolvean optimization problem},
	journal = {3{\`e}me Colloque International sur la Th{\'e}orie des Op{\'e}rateurs, EDP et ses Applications(CITO{\textquoteright}2019, ), 24-25 avril ,},
	year = {2019},
	address = {El oud, Alg{\'e}rie},
	author = {Djeffal, El-Amir}
}
