TY  JOUR
TI  About one special case related to crossing of quadrics
KW  quadric
KW  square-law involution
KW  focal point
KW  isotropic straight lines
KW  imaginary tangent planes.
JO  Geometry & Graphics
AU  Korotkiy, V.A.
PY  2013
IS  1
PB  INFRA-M Academic Publishing LLC.