Talk:Vadim G. Vizing

Vadim G. Vizing passed away in 2017
I heard this sad news from Prof. Alexander Kostochka. Does anyone have a reference? Sangil (talk) —Preceding undated comment added 02:04, 4 March 2018 (UTC)
 * We now have a reference. —David Eppstein (talk) 23:13, 10 March 2018 (UTC)