@article{700602,
     title = {On reflective and coreflective subcategories of LIM, LUN, and LVEC},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Society of Czechoslovak Mathematicians and Physicist},
     address = {Praha},
     year = {1977},
     pages = {136-141},
     mrnumber = {MR0487944},
     zbl = {0374.54003},
     url = {http://dml.mathdoc.fr/item/700602}
}

Gähler, W. On reflective and coreflective subcategories of LIM, LUN, and LVEC, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. 136-141. http://gdmltest.u-ga.fr/item/700602/