TY - JOUR TI - Extended subsystems of root systems AB - - AU - HALICIOĞLU, S. PY - 1995 JO - Turkish Journal of Mathematics VL - 19 IS - 1 SN - 1300-0098 SP - 62 EP - 67 DB - TRDizin UR - http://search/yayin/detay/36246 ER -