bswidth.tex

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  \put(82.5,31){\circle*{3}}
  \put(90,36){\circle*{3}}
  \put(100,36){\circle*{3}}
  \put(69,35){$\mathcal{B}_i$}
  \put(110,30){\circle{3}}
  \put(112,21){$P_{i+1}$}
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  \put(140,62.66){\vector(0,-1){10}}
  \put(129,56){$\mu_i$}
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  \put(160,60){\vector(0,-1){10}}
  \put(164,39){$\mu_{i+1}$}
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