1.
Markov K, Zvyatkov K. ON THE EFFECTIVE BEHAVIOUR OF A NONLINEAR DISPERION OF SPHERES. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 1991 Dec. 12 [cited 2024 Dec. 5];82(2):179-92. Available from: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/543