['Though', ',', 'in', 'this', 'Letter', 'we', 'have', 'constructed', 'the', 'Born', '–', 'Infeld', 'black', 'holes', 'in', 'the', 'presence', 'of', 'a', 'cosmological', 'constant', 'and', 'discussed', 'their', 'thermodynamical', 'properties', ',', 'many', 'issues', 'however', 'still', 'remain', 'to', 'be', 'investigated', '.']