@article{700707,
     title = {Concerning the topological products of two Fr\'echet spaces},
     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 = {[342]-343},
     mrnumber = {MR0474222},
     zbl = {0371.54015},
     url = {http://dml.mathdoc.fr/item/700707}
}

Novák, J. Concerning the topological products of two Fréchet spaces, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [342]-343. http://gdmltest.u-ga.fr/item/700707/