Partial differential equations : proceedings of a symposium held in Tianjin, June 23-July 5, 1986 - Chern, Shiing-Shen 1911-2004 (Springer-Verlag, 1988)
"Papers presented at the 7th Symposium on Differential Geometry and Differential Equations ... which took place at Nankai Institute of Mathematics, Tianjin, China, June 23-July 5, 1986"–Foreword.