On Darboux's transformation and the fundamental equation of isothermal surfaces.

[1] BIANCHI L, 1905, ANN MAT PUR APPL, V11, P93

[2] CALAPSO P, 1905, ANN MAT SER 3, V11, P201

[3] CALAPSO P, 1903, REND CIRC MAT PALERM, V17, P275

[4] Darboux J.-G., 1899, CR HEBD ACAD SCI, V128, P1299, DOI DOI 10.24033/ASENS.473

[5] ROTHE R, 1897, THESIS BERLIN

[1] BIANCHI L, 1905, ANN MAT PUR APPL, V11, P93

[2] CALAPSO P, 1905, ANN MAT SER 3, V11, P201

[3] CALAPSO P, 1903, REND CIRC MAT PALERM, V17, P275

[4] Darboux J.-G., 1899, CR HEBD ACAD SCI, V128, P1299, DOI DOI 10.24033/ASENS.473

[5] ROTHE R, 1897, THESIS BERLIN