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Djordjević Slaviša V.; Hwang I. S.; Duggal Bhagwati Prashad: Two invariant subspaces and spectral properties of a linear operator. In: Acta scientiarum mathematicarum, (82) 3-4. pp. 567-575. (2016)
Boasso Enrico; Duggal Bhagwati Prashad: Property (gw) for tensor product and left-right multiplication operators. In: Acta scientiarum mathematicarum, (78) 3-4. pp. 589-607. (2012)
Boasso Enrico; Duggal Bhagwati Prashad: Tensor product of left polaroid operators. In: Acta scientiarum mathematicarum, (78) 1-2. pp. 251-264. (2012)
Duggal Bhagwati Prashad; Djordjević Slaviša V.; Kubrusly Carlos S.: Hereditarily normaloid contractions. In: Acta scientiarum mathematicarum, (71) 1-2. pp. 337-352. (2005)
Duggal Bhagwati Prashad; Chō Muneo; Huruya Tadasi: Corrigendum to "On the spectrum of p-hyponormal operators". In: Acta scientiarum mathematicarum, (64) 3-4. pp. 741-742. (1998)
Duggal Bhagwati Prashad: p-hyponormal operators and invariant subspaces. In: Acta scientiarum mathematicarum, (64) 1-2. pp. 249-257. (1998)
Duggal Bhagwati Prashad: On the spectrum of p-hyponormal operators. In: Acta scientiarum mathematicarum, (63) 3-4. pp. 623-637. (1997)
Duggal Bhagwati Prashad: Near normality of a class of transforms. In: Acta scientiarum mathematicarum, (40) 3-4. pp. 237-242. (1978)