- V. N. Margaryan, H. G. Ghazaryan, “On Comparison of Power of Partially Hypoelliptic Polynomials”, J. Contemp. Mathemat. Anal., 57, no. 5, 2022, 289
- H. G. Ghazaryan, “On smooth solutions of a class of almost hypoelliptic equations”, J. Contemp. Mathemat. Anal., 48, no. 6, 2013, 259
- В. Н. Маргарян, Г. Г. Казарян, “О сравнении мощности частично гипоэллиптических многочленов”, Proceedings of NAS RA. Mathematics, 2022, 33