@book{ Solr-acta56210, title = {Fuzzy linear programming in investments}, series = {Proceedings of the International Symposium on Analytical and Environmental Problems}, author = {Ralevic Nebojsa M.}, year = {2017}, url = {http://acta.bibl.u-szeged.hu/56210/1/proceedings_of_isaep_2017_301-304.pdf} }