selected publications
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academic article
- Differential operators and the Laguerre type polynomials. SIAM journal on mathematical analysis. 23:722-736. 1992
- Laguerre polynomials and singular differential operators. Indian Journal of Pure and Applied Mathematics. 18:515-535. 1987
- Tchebichef polynomials of the second kind and sihculas differertial operators. International atomic energy agency and united matrons educational scientific and cultural organization - International center for theoretical physics. 1985
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report
- Differential operators associated with Gegenbauer polynomials-3. the regular case 1989
- Differential operators associated with Hermite polynomials 1989
- On some properties of the Laguerre-type differential operators 1989
- Differential operators associated with Gegenbauer polynomials-1: the limit-circle case 1987
- The Bessel polynomials and their differential operators 1987
- A note on Gegenbauer's differential operators and their applications to linear differential equations 1985
- A problem of Tchebichef polynomials of the first kind and regular differential operators 1985
- Tchebichef polynomials of the second kind and singular differential operators 1985
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thesis