TY  - JOUR
AU  - A. Schinzel
TI  - Solution to a Problem of
  Lubelski and an Improvement of a Theorem of His
JO  - Bulletin of the Polish Academy of Sciences. Mathematics
PY  - 2011
SP  - 115
EP  - 119
VL  - 59
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ba59-2-2/
DO  - 10.4064/ba59-2-2
LA  - en
ID  - 10_4064_ba59_2_2
ER  -