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Ushbu ish iqtibos qilgan ishlar
14 ta ish
Ish: A problem with conditions given on inner characteristics and on the line of degeneracy for a mixed-type equation with singular coefficients
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Ishlab chiquvchilar uchun
14 ta ish
Ish: A problem with conditions given on inner characteristics and on the line of degeneracy for a mixed-type equation with singular coefficients