[1] J. Kučera, K. McKennon: 
Dieudonné-Schwartz Theorem on Bounded Sets in Inductive Limits. Proc. A.M.S. 78 (1980), 366–368. 
MR 0553378[2] J. Kučera, K. McKennon: 
Köthe’s Example of an Incomplete LB-space. Proc. A.M.S. 93 (1985), 79–80. 
MR 0766531