A Theorem on Coloring The Lines of a Network [typescript carbon with offprint]
New York City: Bell Telephone Laboratories, Inc. [ no date ]. [1]-7 pages. 10 7/8 x 8 3/8 inches. Typescript carbon on thin paper printed recto only. Old paperclip upper left with some creasing/marking to the leaves. Provided with a copy of the published offprint: [1-blank], 148-151, [1-blank] pages. 8..... More