DECIDING WHETHER A SURFACE IS PARABOLIC OR HYPERBOLIC

[1] Ahlfors L, 1935, CR HEBD ACAD SCI, V201, P30

[2] Blanc C., 1941, COMMENT MATH HELV, V14, P230

[3] Chern SS, 1955, P AM MATH SOC, V6, P771

[4] COURANT R, 1962, METHODS MATHEMATICAL, V2

[5] ON A CLASS OF CONFORMAL METRICS WITH APPLICATION TO DIFFERENTIAL GEOMETRY IN LARGE [J]. COMMENTARII MATHEMATICI HELVETICI, 1965, 40 (01) : 1 - &

[6] CURVATURE AND COMPLEX ANALYSIS .2. [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 78 (05) : 866 - &

[7] Huber A., 1957, COMMENT MATH HELV, V32, P13, DOI 10.1007/BF02564570

[8] RIEMANNSCHE FLACHEN VON HYPERBOLISCHEM TYPUS IM EUKLIDISCHEN RAUM [J]. MATHEMATISCHE ANNALEN, 1959, 139 (02) : 140 - 146

[9] JENKINS JA, 1961, MICHIGAN MATH J, V8, P1

[10] A PROBLEM IN CARTOGRAPHY [J]. AMERICAN MATHEMATICAL MONTHLY, 1969, 76 (10) : 1101 - &

[1] Ahlfors L, 1935, CR HEBD ACAD SCI, V201, P30

[2] Blanc C., 1941, COMMENT MATH HELV, V14, P230

[3] Chern SS, 1955, P AM MATH SOC, V6, P771

[4] COURANT R, 1962, METHODS MATHEMATICAL, V2

[5] ON A CLASS OF CONFORMAL METRICS WITH APPLICATION TO DIFFERENTIAL GEOMETRY IN LARGE [J]. COMMENTARII MATHEMATICI HELVETICI, 1965, 40 (01) : 1 - &

[6] CURVATURE AND COMPLEX ANALYSIS .2. [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 78 (05) : 866 - &

[7] Huber A., 1957, COMMENT MATH HELV, V32, P13, DOI 10.1007/BF02564570

[8] RIEMANNSCHE FLACHEN VON HYPERBOLISCHEM TYPUS IM EUKLIDISCHEN RAUM [J]. MATHEMATISCHE ANNALEN, 1959, 139 (02) : 140 - 146

[9] JENKINS JA, 1961, MICHIGAN MATH J, V8, P1

[10] A PROBLEM IN CARTOGRAPHY [J]. AMERICAN MATHEMATICAL MONTHLY, 1969, 76 (10) : 1101 - &