Historic entry on the notion of absolute parallelism

[1] Bortolotti E, 1927, P K AKAD WET-AMSTERD, V30, P216

[2] BORTOLOTTI E, 1929, ACCAD SC BOLOGNA

[3] BORTOLOTTI E, 1929, ATTI R ACCAD LINCEI, V9, P530

[4] BORTOLOTTI E, 1926, ATTI I VENETO, V86, P456

[5] Cartan E, 1926, P K AKAD WET-AMSTERD, V29, P933

[6] Cartan E, 1926, P K AKAD WET-AMSTERD, V29, P803

[7] CARTAN E, 1922, CR HEBD ACAD SCI, V174, P734

[8] Cartan E., 1924, B SCI MATH, V48, P294

[9] CARTAN E, 1924, P INT MATH C TORONTO, V1, P91

[10] CARTAN E, 1927, ANN SOC POL MATH, V6, P1

[1] Bortolotti E, 1927, P K AKAD WET-AMSTERD, V30, P216

[2] BORTOLOTTI E, 1929, ACCAD SC BOLOGNA

[3] BORTOLOTTI E, 1929, ATTI R ACCAD LINCEI, V9, P530

[4] BORTOLOTTI E, 1926, ATTI I VENETO, V86, P456

[5] Cartan E, 1926, P K AKAD WET-AMSTERD, V29, P933

[6] Cartan E, 1926, P K AKAD WET-AMSTERD, V29, P803

[7] CARTAN E, 1922, CR HEBD ACAD SCI, V174, P734

[8] Cartan E., 1924, B SCI MATH, V48, P294

[9] CARTAN E, 1924, P INT MATH C TORONTO, V1, P91

[10] CARTAN E, 1927, ANN SOC POL MATH, V6, P1