On signed degrees in signed graphs

Gary Chartrand, Heather Gavlas, Frank Harary, Michelle Schultz
<span title="">1994</span> <i title="Institute of Mathematics, Czech Academy of Sciences"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/z3svrlve6velboutarmbhdzqzy" style="color: black;">Czechoslovak Mathematical Journal</a> </i> &nbsp;
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.21136/cmj.1994.128488">doi:10.21136/cmj.1994.128488</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/eellu4tdbreyndtatxxmx2hfum">fatcat:eellu4tdbreyndtatxxmx2hfum</a> </span>
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