Paulo da FonsecaHartmut Böhm. Lineare Kompositionen Serigraphie auf Velin, 1968
quadrivial, tall and graying@lesondouble I'm an AP Calculus teacher, so you can't fool me. This is a picture of a slope field 😂
@lesondouble I'm an AP Calculus teacher, so you can't fool me. This is a picture of a slope field 😂
