D. I. Kristev, “On the behavior of solutions of some semilinear elliptic and parabolic inequalities”, Differ. Uravn., 25:8 (1989), 1368–1374; Differ. Equ., 25:8 (1989), 974–979
1985
2.
D. I. Kristev, “The number of $\alpha$-points on a characteristic and the length of level lines of solutions of linear parabolic equations with one space variable”, Differ. Uravn., 21:5 (1985), 862–870
1979
3.
D. I. Kristev, “The geometry of the solutions of elliptic equations”, Differ. Uravn., 15:12 (1979), 2174–2182
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