| Distance from a point to a downward set in a Banach lattice (PJO) | 
										
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																Volume 4 |  
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																Number 3 |  
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																pp. 641-649 |  | 
										
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											| Distance from a point to a downward set in a Banach lattice | 
										
											| H. Mohebi and E. Naraghirad | 
										
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														| Key words | Mathematices Subject Classification |  
														| best approximation, Banach lattice space, continuous along diagonal lines function, Downward set | 46N10, 54D65 |  
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