@misc{indiciae2bfd7c387489, title = {A control problem in a polluted environment.}, author = {D M Thomas and T W Snell and S M Jaffar}, year = {1996}, doi = {10.1016/0025-5564(95)00091-7}, url = {https://pubmed.ncbi.nlm.nih.gov/8718706/}, note = {Source identifier: 8718706} }