graph LR
                subgraph "Система уравнений"
                    P0((P₀)) --> |λ| P1((P₁))
                    P1 --> |P₁₂| P2((P₂))
                    P2 --> |P₂₃| P3((P₃))
                    P3 --> |P₃₄| P4((...))
                    P4 --> |P₉₁₀| P5((P₁₀))
                    P5 -.-> |P₁₀₀| P0
                    P1 --> |P₁₀| P0
                    P2 --> |P₂₁| P1
                    P3 --> |P₃₂| P2
                    P4 --> |P₄₃| P3
                end