TY - JOUR IS - 1-2 SN - 0001-6969 UR - http://www.acta.hu ID - acta15302 A1 - Halanay Andrei Y1 - 1991/// EP - 128 TI - A model for a general linear bounded operator between two Hilbert spaces AV - public KW - Matematika VL - 55 SP - 119 N1 - Bibliogr.: 128. p. JF - Acta scientiarum mathematicarum ER -