Papantoniou, B. On the lines of curvature of a two dimensional submanifold. (English) Zbl 0521.53004 Bull. Math. Soc. Sci. Math. Répub. Soc. Roum., Nouv. Sér. 27(75), 139-143 (1983). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 53A05 Surfaces in Euclidean and related spaces × Cite Format Result Cite Review PDF