Vladimir Yankilevsky

Functions and Graphs: An Incident on June 17, 1969 in Koktebel; The Theorem Proof; Axioms: 1) Two Stars at Dawn…

1971; 1994; 1971. Indian ink on graph paper; Pastel and pencil on paper; Indian ink on graph paper, 26 × 40.5 cm; 24 × 34 cm; 26 × 40.5 cm.