On a~nonlinear differential subordination~I
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, no. 3 (2003), pp. 53-57.

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We find conditions on the complex-valued functions A,B,C,D in the unit disc U such that the differential inequality $$ |A(z)z^2 p''(z)+B(z)p^2(z)+C(z)p(z)+D(z)|$$ implies |p(z)|, where p is analytic in U, with p(0)=0.
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Georgia Irina Oros. On a~nonlinear differential subordination~I. Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, no. 3 (2003), pp. 53-57. https://geodesic-test.mathdoc.fr/item/BASM_2003_3_a4/

[1] Miller S. S., Mocanu P. T., Differential Subordinations. Theory and Applications, Marcel Dekker Inc., New York–Basel, 2000 | MR

[2] Oros Gh., Oros G. I., “On a first-order nonlinear differential subordination, I”, An. Univ. Oradea Fasc. Mat., 9 (2002), 65–70 | MR | Zbl