For example, L ( 0 ) = { K 5 , K 3 , 3 } {\displaystyle L(0)=\{K_{5},K_{3,3}\}} consists of the Kuratowski subgraphs.
Например, L ( 0 ) = { K 5 , K 3 , 3 } {\displaystyle L(0)=\{K_{5},K_{3,3}\}} состоит из подграфов Куратовского.