TY  - JOUR
AU  - Montesinos Amilibia, José María
PY  - 2017
DO  - 10.1007/s00022-017-0389-8
SN  - 0393-0440
UR  - https://hdl.handle.net/20.500.14352/17902
T2  - Journal of geometry and physics
AB  - Groups acting properly and discontinuously on the Cartesian product (Formula presented.) of two hyperbolic planes are termed hyperabelian by Picard. The automorphism group (Formula presented.) of a quaternary integral quadratic form f of index 2 is an...
M2  - 1
PB  - Elsevier
KW  - automorph
KW  - Commensurability class
KW  - Conway’s excesses
KW  - integral quadratic form
KW  - Line-geometry
KW  - orbifold
KW  - Projective equivalence
KW  - Quadratic line complex
KW  - Rational equivalence
TI  - On the arithmetic 4-orbifolds associated to integral quaternary quadratic forms of index 2
TY  - journal article
ER  -