1. A. Woszczyna, W. Czaja, K. Głód, Z. A. Golda, R. A. Kycia, A. Odrzywołek, P. Plaszczyk, L. M. Sokołowski, S. J. Szybka
ccgrg: The symbolic tensor analysis package with tools for general relativity
Wolfram Library Archive, vol. 8848 (2014).

2. Wojciech Czaja, Zdzislaw A. Golda, Andrzej Woszczyna
The acoustic wave equation in the expanding universe. Sachs-Wolfe theorem
The Mathematica Journal, vol. 13 (2011).

3. Marek Demianski, Zdzislaw A. Golda, Andrzej Woszczyna
Evolution of density perturbations in a realistic universe
Gen. Rel. Grav., vol. 37, pp. 2063-2082 (2005).

4. Zdzisław A. Golda, Andrzej Woszczyna, Karolina Zawada
Canonical gauge-invariant variables
Acta Phys. Pol., B , vol. B36, p. 2133 (2005).

5. G. Siemieniec-Ozieblo, A. Woszczyna
Acoustic instabilities at the transition from the radiation-dominated to the matter-dominated universe
Astron. Astrophys. , vol. 419, pp. 801-810 (2004).

6. Z. Golda, A.Woszczyna
Dispersion of density waves in the early universe with positive cosmological constant
Class. Quantum Grav., vol. 20, p. 277 (2003).

7. Zdzislaw A. Golda, Andrzej Woszczyna
A field theory approach to cosmological density perturbations
Phys. Lett. A , vol. 310, pp. 357-362 (2003).

8. Zdzislaw A. Golda, Andrzej Woszczyna
Acoustics of early universe. I. Flat versus open universe models
Class. Quant. Grav., vol. 18, pp. 543-554 (2001).

9. Zdzislaw A. Golda, Andrzej Woszczyna
Acoustics of early universe. II. Lifshitz vs. gauge-invariant theories
J. Math. Phys., vol. 42, pp. 856-862 (2001).

10. Grazyna Siemieniec-Ozieblo, Andrzej Woszczyna
Order reduction in semiclassical cosmology
Phys. Rev. D, vol. 59, p. 083504 (1999).

11. David H Lyth, Andrzej Woszczyna
Large scale perturbations in the open universe
Phys. Rev. D, vol. 52, pp. 3338-3357 (1995).

12. Andrzej Woszczyna
A dynamical systems approach to the cosmological structure formation - Newtonian universe
Mon. Not. R.A.S., vol. 225, p. 701 (1992).

13. Andrzej Woszczyna
Gauge invariant cosmic structures : A dynamic systems approach
Phys. Rev. D, vol. 45, pp. 1982-1988 (1992).

14. Andrzej Woszczyna, Andrzej Kułak
Cosmological perturbations - extension of Olson's gauge-invariant method
Class. Quantum Grav., vol. 6, p. 1665 (1989).