Shang, Yadong Explicit and exact solutions for a class of nonlinear wave equations. (Chinese. English summary) Zbl 0978.35010 Basic Sci. J. Text. Univ. 13, No. 2, 100-106 (2000). MSC: 35C05 35L70 35A22 × Cite Format Result Cite Review PDF
Pizlo, Zygmunt; Rosenfeld, Azriel Recognition of planar shapes from perspective images using contour-based invariants. (English) Zbl 0777.68096 CVGIP: Image Underst. 56, No. 3, 330-350 (1992). MSC: 68U10 × Cite Format Result Cite Review PDF Full Text: DOI