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Lagunov, V. N. (Personal Name)
His Vvedenie v different²sial#nye igry, 1979: t.p. (V. N. Lagunov)
Different²sial#nye, mnogoshagovye, beskoalit²sionnye i ... 1985: verso t.p. (doktor fiz.-mat. nauk V. N. Lagunov)