On the Dirichlet principle

[1] ARZELA C, 1897, NOTA LETT ACCAD SIEN

[2] FERESGUI, 1907, PRINCIPE DIRICHLET

[3] FUBINI H, 1907, PRINCIPIO MINIMO TEO

[4] HADAMARD, 1906, B SOC MATH FRANCE, P13

[5] LAVERATE A, 1869, J BORCHARDT, V71

[6] LEVI B, 1906, PRINCIPIO DIRICHLET

[7] 1900, DIRICHLETSCHE PRINCU

[8] 1908, B ACAD SCI CRACOVIE

[9] 1901, FESTSCHRIFT FEUER 15

[1] ARZELA C, 1897, NOTA LETT ACCAD SIEN

[2] FERESGUI, 1907, PRINCIPE DIRICHLET

[3] FUBINI H, 1907, PRINCIPIO MINIMO TEO

[4] HADAMARD, 1906, B SOC MATH FRANCE, P13

[5] LAVERATE A, 1869, J BORCHARDT, V71

[6] LEVI B, 1906, PRINCIPIO DIRICHLET

[7] 1900, DIRICHLETSCHE PRINCU

[8] 1908, B ACAD SCI CRACOVIE

[9] 1901, FESTSCHRIFT FEUER 15