訂正日: 2006/08/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) Bianchi (1927), "Lezioni di Geometria Differenziale", I, 459. 2) Eisenhart, L.P. (1940), "An Introduction to Differential Geometry". 3) Kummer (1860), "Allgemeine Theorie der gradlinigen Strahlensysteme", Crelle's Journ., 57, 189-230. 4) Mishra, R.S. (1945), "Some properties of rectilinear congruences obtained by tensor method", Proc. Ben. Math. Soc., 7, 41-49. 5) Mishra, R.S. (1951, 1), "on Skewness of distribution of the generators of a ruled surface", Mathematics Student, 19, 105 7. 6) Mishra, R.S. (1951, 2), "Modification in Sannia's theory of line congruences and some deductions." Revue de la Faculté des Sciences de l'Université d'Istanbul, Serie A, 16 (2). 7) Ram Behari and Mishra, R.S. (1949), "Some formulae in rectilinear congruences", Proc, of the National Institute of Sciences of India, 15 (3), 85-93. 8) Ranga Chariar (1945), "On Transversals which meet consecutive generators of a ruled surface at a constant angle." Bull. Cal. Math. Soc., 37, 133-36. 9) Weatherburn, C.E. (1931), "Differential Geometry of three dimensions", Vol. I.
Right : [1] Bianchi (1927), “Lezioni di Geometria Differenziale”, I, 459. [2] Eisenhart, L. P. (1940), “An Introduction to Differential Geometry”. [3] Kummer (1860), “Allgemeine Theorie der gradlinigen Strahlensysteme”, Crelle's Journ., 57, 189-230. [4] Mishra, R. S. (1945), “Some properties of rectilinear congruences obtained by tensor method”, Proc. Ben. Math. Soc., 7, 41-49. [5] Mishra, R. S. (1951, 1), “On Skewness of distribution of the generators of a ruled surface”, Mathematics Student, 19, 105 7. [6] Mishra, R. S. (1951, 2), “Modification in Sannia's theory of line congruences and some deductions.” Revue de la Faculté des Sciences de l'Université d'Istanbul, Serie A, 16 (2). [7] Ram Behari and Mishra, R. S. (1949), “Some formulae in rectilinear congruences”, Proc, of the National Institute of Sciences of India, 15 (3), 85-93. [8] Ranga Chariar (1945), “On Transversals which meet consecutive generators of a ruled surface at a constant angle.” Bull. Cal. Math. Soc., 37, 133-36. [9] Weatherburn, C. E. (1931), “Differential Geometry of three dimensions”, Vol. I.